He stopped halfway down the block in front of the junkyard office. He stepped off the curb to a familiar sewer grate, one I myself had looked into often as I combed our neighborhood for loose change. The smell of wet metal spilled over the junkyard’s corrugated walls — rust, oil. In the distance an L rumbled across Eighteenth Street, traffic whined on the Dan Ryan, a truck ground through its gears on Twenty-Second. I heard everything in echo, my ear to the city, one giant seashell.

“Hello!” Egypt called down into the grate. He was in a squat, his suitcase alongside him. He looked to me and smiled, then waved. The brown of his church shoes stood out red in the morning sun.

“Hello,” he called again. “Anyone down there?” At that moment I realized I was about to lose my only friend.

Puppet plays guitar. He strums his strings on Eighteenth Street and Wolcott, in the narrow gangway between Zefran Funeral Home and the El Milagro tortilla factory. There at night, the notes bounce up the brick walls around him and create an echo that Puppet believes he’ll one day record and sell for millions of dollars.

He plays old tunes: Ritchie Valens ballads, Santo & Johnny’s “Sleep Walk.” He thinks he’s romantic. When the L’s rumble by, he continues playing, convinced somehow that his music is affecting the travelers: making a pickpocket reconsider as he slips his trigger hand toward a sleeping passenger’s pocket.

Puppet can play the first few bars of Ritchie Valens’s “Donna” like an expert. The rest he fumbles through, and he returns to the chorus like it’s his lifeboat. The hair on the back of his neck stands on end. He wonders if those on the outside, those at either end of the dark gangway, where the orange of the streetlights glows in long, vertical slits, are feeling it too. Often, when he steps out of the gangway, he expects entranced crowds to be gathered there: beautiful women with tears in their eyes and a love for him undying. Of course, there never are — just the hum of the city at night, things on autopilot, neon signs, streetlights, the clicking of stoplights. Overhead another L rumbles by like a strip of film, only one or two of the yellow frames actually holding a silhouette.

Across the alley, in a bedroom on the top floor of a three-flat, a young girl sighs. She turns from her open window and faces the darkness. She hugs her pillow. “I love you, Ritchie Valens,” she says. “I love you.”

I knew Buff before he was a Latin Count, before he was shot dead. His real name was David. I heard his aunt call him that once, when we were on top of the old pierogi factory. “David!” she called out. And Buff looked at me. “Shit,” he said. He dropped the rock he had in his hand and went running across the gravel roof. He climbed over the air-conditioning unit and disappeared. I was up there alone then. I looked over the ledge onto Twenty-Second Street, the traffic. I looked at the kids playing swifties in the school playground across the street. I dropped my rock and climbed down as well. Throwing rocks wasn’t fun unless you did it with someone.

David, or Buff, thought different. I had first met him a few months before, when my father had sent me to the A&P to get some milk. I was approaching the pierogi factory, just across Oakley Avenue. It was hot out that day; the sun felt somehow closer. WHACK! I heard. Across the street, a CTA bus screeched to a stop. The driver turned and stared back at me. Behind him, one of the large safety-glass windows had been shattered — a cool, spiderweb-like pattern spread over the entire pane. I looked to the sidewalk and continued walking. Finally, the bus moved on.

After it had crossed Western Avenue I turned and looked behind me. There, on the pierogi factory roof, standing at the ledge, was a boy my age, maybe a little younger, wearing a white T-shirt. His head was shaved. He had big ears and a smile that made him look something like Dopey from Snow White. He nodded at me as if he knew who I was.

“How’d you get up there?” I asked him.

“Around the back,” he said. His speech was quick, almost hyper. At the end of his sentence he sucked his tongue, like he was fighting back saliva. Then he disappeared beyond the ledge.

I continued on to the A&P. I kept looking back. I imagined couches up there, tables, a secret hideaway. I was jealous. The pierogi factory roof was one of the last frontiers of my neighborhood. It was only two cinder-block stories high, but its remoteness, its sheer walls, made hiding up there seem equal to never having been born.

The second time we met we became friends. I had figured out how to get up onto the roof myself. The key was the chain-link fence that enclosed the factory’s dumpster — at one corner the fence could be scaled, and then it was a matter of balance, a tightroper’s balance, skirting lines of barbed wire to the factory’s air ducts. After a leap to the thin sheet metal of the ducts, it was like climbing playground slides in reverse. Once, twice, three times, and suddenly you were there. It was amazing how easy it was. The pierogi factory roof had always seemed so impenetrable. I’d scaled garages. I’d scaled abandoned warehouse fire escapes. I’d even scaled the Western Avenue L stop, using the steel straps that held the support beams together as footholds. But I’d only ever dreamed about gaining the roof of the pierogi factory. That first time up there I surveyed the terrain: blank, empty, a white-gravel roof with a huge, green-painted air-conditioning unit. I was disappointed. Still, no one else I knew had ever been up there. Except, of course, for Buff, whose name I didn’t even know yet.

It was a beautiful view, Twenty-Second Street, the street I lived on. I’d walked Twenty-Second so many times I knew every crack and buckle of its dilapidated sidewalks. But seeing it from two stories up, seeing each expanse of concrete imperfection, was awesome. The sidewalks seemed to make sense from up there; one could almost read the streets, the way they dipped and turned, how the sidewalk simply followed suit. I took a seat on the ledge of the roof and picked up a rock. I dropped it down to the sidewalk, waited for the sharp snap.

Across the street a large group of gangbangers, Disciples, were playing basketball. Their voices echoed loud and clear off the school building behind. “Ball! Ball!” they called out. “Foul, motherfucker! Goddamn!” It occurred to me that from up there I could be a spy if I wanted to. I could climb the roof late at night when the Disciples were having their meetings and overhear plans for drive-bys, cocaine sales, turf wars. It occurred to me that I could go to the Laflin Lovers or the Bishops, archrivals of the Disciples, and sell their secrets. I was hatching plans, schemes, when suddenly, behind me, the gravel churned.

He was there, standing. He was short, much shorter than he looked from two stories down. He was younger-looking as well.

“Ha!” he said. “I knew it, bro! I knew you’d find the way up here.” He sucked spit. “You climbed the fence, didn’t you?”

“Yes,” I said.

“Ha, I knew it!” he said. “No one else knows how to get up here. Just you and me.”

I thought about this. In the end the climb hadn’t seemed that difficult.

“Yeah,” he said. “No one knows…”

He sat down next to me. He scooped up a handful of rocks. He had blue eyes. This was strange. He was Mexican, just like me; he had dark skin, dirty summer skin, but he also had these almost pastel-blue eyes. His face was lit up. He was smiling.

He shook his handful of rocks, loosing a couple. He looked down to the street. The noise of the basketball players came to us. “Center. Ball!” His eyes moved to the kids on the court.