The boy never mentioned what he'd done, and his mother ceased worrying about him falling out of bed.

From his first birthday to his third, Barty made worthless all the child-care and child-development books that a first-time mother relied on to know what to expect of her offspring, and when. Barty grew and coped and learned according to his own clock.

The boy's difference was defined as much by what he didn't do as by what he did. For one thing, he didn't observe the Terrible Twos, the period of toddler rebellion that usually frayed the nerves of the most patient parents. No tantrums for the Pie Lady's son, no bossiness, no crankiness.

Uncommonly healthy, he didn't suffer croup, flu, sinusitis, or most of the ailments to which other children were vulnerable.

Frequently, people told Agnes that she should find an agent for Barty, as he was wonderfully photogenic; modeling and acting careers, they assured her, were his for the asking. Though her son was indeed a fine-looking lad, Agnes knew he wasn't as exceptionally handsome as many perceived him to be. Rather than his looks, what made Barty so appealing, what made him seem extraordinarily good-looking, were other qualities: an unusual gracefulness for a child, such a physical easiness in every movement and posture that it seemed as though some curious personal relationship with time had allowed him twenty years to become a three-year-old; an unfailingly affable temperament and quick smile that possessed his entire face, including his mesmerizing green blue eyes. Perhaps most affecting of all, his remarkable good health was expressed in the lustrous sheen of his thick hair, in the golden-pink glow of his summer-touched skin, in every physical aspect of him, until there were times when he seemed radiant.

In July 1967, at two and a half, he finally contracted his first cold, an off-season virus with a mean bite. His throat was sore, but he didn't fuss or even complain. He swallowed his medicine without resistance, and though he rested occasionally, he played with toys and paged through picture books with as much pleasure as ever.

On the second morning of Barty's illness, Agnes came downstairs and found him at the kitchen table, in his pajamas, happily applying unconventional hues to a scene in a coloring book.

When she complimented him on being such a good little soldier, abiding his cold with no complaint, he shrugged. Without looking up from the coloring book, he said, “It's just here."

“What do you mean?"

“My cold."

“Your cold is just here?"

“It's not everywhere."

Agnes delighted in their conversations. Barty was far ahead of the language learning curve for his age, but he was still a child, and his observations were filled with innocence and charm. “You mean your cold is like in your nose but not in your feet?"

“No, Mommy. Colds don't go in anybody's feets."

“Feet.

“Yeah,” he confirmed, applying a blue crayon to a grinning bunny that was dancing with a squirrel.

“You mean it's like with you in the kitchen, but not if you go into the living room? Your cold has a mind of its own?"

“That's really silly."

“You're the one who said your cold's just here. Maybe it stays in the kitchen, hoping it'll get a piece of pie."

“My cold's just here,” he expanded, “not every place I am."

“So ... you're not just here in the kitchen with your cold?"

“Nope."

“Where else are you, Master Lampion? In the backyard playing?"

“Somewhere, yeah."

“In the living room reading?"

“Somewhere, yeah."

“All at the same time, huh?"

Tongue clamped between his teeth as he concentrated on keeping the blue crayon within the lines of the bunny, Barty nodded. “Yeah.

The telephone rang, putting an end to their chat, but Agnes would remember the substance of it later that year, on the day before Christmas, when Barty took a walk in the rain and changed forever his  mother's understanding of the world and of her own existence. Unlike most other toddlers, Barty was entirely comfortable with change. From bottle to drinking glass, from crib to open bed, from favorite foods to untried flavors, he delighted in the new. Although Agnes usually remained near at hand, Barty was as pleased to be put temporarily in the care of Maria Gonzalez as in the care of Edom, and he smiled as brightly for his dour uncle Jacob as for anyone.

He never passed through a phase during which he grew resistant to hugging or kissing. He was a hand-holding, cuddling boy to whom displays of affection came easily.

The currents of irrational fear, which bring periodic turbulence to virtually every childhood, didn't disturb the smoothly flowing river of Barty's first three years. He showed no fear of the doctor or the dentist, or the barber. Never was he afraid to fall asleep, and having fallen asleep, he appeared to have only pleasant dreams.

Darkness, the one source of childhood fear that most adults never quite outgrow, held no terror for Barty. Although for a while his bedroom featured a Mickey Mouse night-light, the miniature lamp was there not to soothe the boy, but to quiet his mother's nerves, because she worried about him waking alone, in blackness.

Perhaps this particular worry was not ordinary maternal concern. If a sixth sense is at work in all of us, then perhaps subconsciously Apes was aware of the tragedy to come: the tumors, the surgery, the blindness.

Agnes's suspicion that Barty would be a child prodigy had grown from seed to full fruit on the morning of the boy's first birthday, when he'd sat in his highchair, counting green-grape-and-apple pies. Through the following two years, ample proof of high intelligence and wondrous talents ripened Agnes's suspicion into conviction.

Precisely what type of prodigy Barty might be was initially not easy to deduce. He revealed many talents rather than just one.

Given a child-size harmonica, he extemporized simplified versions of songs he heard on the radio. The Beatles' “All You Need Is Love.” The Box Tops' “The Letter.” Stevie Wonder's “I Was Made to Love Her.” After hearing a tune once, Barty could play a recognizable rendition.

Although the small tin-and-plastic harmonica was more toy than genuine instrument, the boy blew and siphoned surprisingly complex music from it. As far as Apes could tell, he never hit a sour tone.

One of his favorite gifts for Christmas 1967 was a twelve-hole chromatic harmonica with forty-eight reeds providing a full three-octave range. Even in his little hands, and with the limitations of his small mouth, this more sophisticated instrument enabled him to produce full-bodied versions of any song that appealed to him.

He had a talent, as well, for language.

From an early age, Barty sat contentedly as long as his mother would read to him, exhibiting none of the short attention span common to children. He expressed a preference for sitting side by side, and he asked her to slide one finger along each line of type, so that he could see precisely the right word as she spoke it. In this manner, he taught him self to read early in his third year.

Soon he dispensed with picture books and progressed to short novels for more accomplished readers, and then rapidly to books meant for young adults. Tom Swift adventures and Nancy Drew mysteries captivated him through the summer and early autumn.

Writing came with reading, and in a notebook, he began to make entries about points of interest in the stories that he enjoyed. His Diary of a Book Reader, as he titled it, fascinated Agnes, who read it with his permission; these notes to himself were enthusiastic, earnest, and charming-but literally month by month, Agnes noticed that they grew less naive, more complex, more contemplative.

Having been a volunteer instructor of English to twenty adult students over the years, having taught Maria Elena Gonzalez to speak impeccable English without a significant accent, Agnes was little needed as a teacher by her son. Even more than other children, he asked why with numbing regularity, why this and why that, but never the same question twice; and as often as not, he already knew the answer that he sought from her and was only confirming the accuracy of his deduction. He was such an effective autodidact, he schooled himself better than any college of professors that could have been assigned to him.

Agnes found this turn of events amazing, amusing, ironic-and a little sad. She would have dearly loved to teach the boy to read and write, to see his knowledge and competence slowly flower under her care. Although she fully supported Barty's exploration of his gifts, and although she was proud of his astounding achievements, she felt that his swift advancement was robbing her of some of the shared joy of his childhood, even though he remained in so many ways a child.

Judging by his great pleasure in learning, Barty didn't feel robbed of anything. To him, the world was an orange of infinite layers, which he peeled and savored with increasing delight.

By November 1967, the Father Brown detective stories, written for mystery-loving adults by G. K. Chesterton, thrilled Barty. This series of books would retain a special place in his heart for the rest of his life-as would Robert Heinlein's The Star Beast, which was among his Christmas gifts that year.

Yet for all his love of reading and of music, events suggested that for mathematics he had a still greater aptitude.

Before he taught himself to read books, he also taught himself numbers, and then how to read a clock. The significance of time had a more profound impact on him than Agnes could understand, perhaps because acquiring an awareness of the infinite nature of the universe and the finite nature of each human life-and fully understanding the implications of this knowledge-takes most of us till early adulthood if not later, whereas for Barty, the vast glories of the universe and the comparatively humble nature of human existence were recognized, contemplated, and absorbed in a matter of weeks.

For a while he enjoyed being challenged to figure the number of seconds elapsed since a particular historical event. Given the date, he did the calculations in his head, providing a correct answer in as little as twenty seconds, rarely taking more than a minute.

Only twice, Agnes vetted his answer.

The first time, she required a pencil, paper, and nine minutes to calculate the number of elapsed seconds since an event that had occurred 125 years, six months, and eight days in the past. Her answer differed from his, but while proofing her numbers, she realized that she had forgotten to factor in leap years.

The second time, armed with the previously calculated fact that each regular year contains 3,153,600 seconds, and that a leap year contains an additional 86,400, she vetted Barty's answer in only four minutes. Thereafter, she accepted his numbers without verification.

In his head, without apparent effort, Barty kept a running total of the number of seconds that he had been alive, and of the number of words in every book that he read. Agnes never checked his word totals for an entire volume; however, when she cited any page in a book that he'd just finished, he knew the number of words it contained.

His musical abilities were most likely an offshoot of his more extraordinary talent for math. He said that music was numbers, and what he seemed to mean was that he could all but instantly translate the notes of any song into a personal numerical code, retain it, and repeat the song by repeating the memorized sequence of code. When he read sheet music, he saw arrangements of numbers.

Reading about child prodigies, Agnes learned that most if not all math whizzes also possessed musical talent. To a lesser but still impressive extent, many young geniuses in the music world were also proficient at math.

Barty's reading and writing skills appeared to be related to his talent for math, as well. To him, language was first phonics, a sort of music that symbolized objects and ideas, and this music was then translated into written “syllables using the alphabet-which he saw as a system of math employing twenty-six digits instead of ten.

Agnes discovered, from her research, that among child prodigies, Barty was not a wonder of wonders. Some math whizzes were absorbed by algebra and even by geometry before their third birthdays. Jascha Heifetz, became an accomplished violinist at three, and by six, he played the concertos of Mendelssohn and Tchaikovsky; Ida Haendel performed them when she was five.

Eventually Agnes came to suspect that for all the pleasure the boy took in math and for all his aptitude with numbers, his greatest gift and his deepest passion lay elsewhere. He was finding his way toward a destiny both more astonishing and stranger than the lives of any of the many prodigies about whom she'd read.

Bartholomew's genius might have been intimidating, even off-putting, if he'd not been as much child as child genius. Likewise, he would have been wearisome if impressed by his own gifts.

For all his brilliance, however, he was still a boy who loved to run and jump and tumble. Who swung from the backyard oak tree in a rope-and-tire swing. Who was thrilled when given a tricycle. Who giggled in delight while watching his uncle Jacob roll a shiny quarter end over-end across his knuckles and perform other simple coin tricks.

And though Barty was not shy, neither was he a show-off. He didn't seek praise for his accomplishments, and in fact, they were little known outside of his immediate family. His satisfaction came entirely from learning, exploring, growing.

And as he grew, the boy seemed content with his own company and that of his mother and his uncles. Yet Agnes worried that no children his age lived in their neighborhood. She thought he would be happier if he had a playmate or two.

“Somewhere, I do,” he assured her one night as she tucked him into bed.

“Oh? And where are you keeping them-stuffed in the back of your closet? “

“No, the monster lives in there,” Barty said, which was a joke, because he'd never suffered night frights of that-or any—sort.

“Ho, ho,” she said, ruffling his hair. “I've got my own little Red Skelton."

Barty, didn't watch much television. He'd been up late enough to see Red Skelton only a few times, but that comedian always drew gales of laughter from him.

“Somewhere,” he said, “there's kids next door."

“Last time I looked, Miss Galloway lived to the south of us. Retired. Never married. No children."

“Yeah, well, somewhere, she's a married lady with grandkids."

“She has two lives, huh?"

“Lots more than two."

“Hundreds!"

“Lots more."

“Selma Galloway, woman of mystery."

“Could be, sometimes."

“Retired professor by day, Russian spy by night."

“Probably not anywhere a spy."

As early as this evening, here at her son's bedside, Agnes began dimly to sense that certain of these amusing conversations with Barty might not be as fanciful as they seemed, that he was expressing in a childlike way some truth that she had assumed was fantasy.