At lunchtime I spotted Henry sitting in the backyard at a little round picnic table he'd picked up in a garage sale the previous fall. He'd spread out some graph paper, his reference books, and a crossword key. As a pastime, Henry constructs and sells crossword puzzles for those wee yellow books sold near grocery store checkout lanes. I made a peanut-butter-and-pickle sandwich and joined him in the sunshine.

"You want one?" I asked, holding out my plate.

"Thanks, but I just had lunch," he said. "Where'd Dietz disappear to? I thought he intended to stick around."

I filled him in on the "romance" and we chatted idly while I ate my sandwich. The texture of the peanut butter was a sublime contrast to the crunch of the bread-and-butter pickles. The diagonal cut exposed more filling than a vertical cut would and I savored the ratio of saltiness to tart. This ranked right up there with sex without taking off any clothes. I made a sort of low moan, nearly swooning with pleasure, and Henry glanced up at me. "Give me a bite of that."

I let him have the plump center portion, keeping my fingers positioned so he couldn't take too much.

He chewed for a moment, clearly relishing the intense blend of flavors. "Very weird, but not bad." This is what he always says when he samples this culinary marvel.

I tried another bite myself, pointing to the puzzle he was working on. "How's this one coming? You've never really told me how you go about your business." Henry was a crossword fanatic, subscribing to the New York Times so he could do the daily puzzle, which he completed in ink. Sometimes, to amuse himself, he left every other letter blank, or filled in the outer borders first in a spiral moving toward the center. The puzzles he wrote himself seemed very difficult to me, though he claimed they were easy. I'd watched him construct dozens without understanding the strategy.

"I've actually upgraded my technique. My approach used to be haphazard. I'm better organized these days. This is a small one, only fifteen by fifteen. This is the pattern I'm using," he said, indicating a template with the grid work of black squares already laid in.

"You don't devise the format as well?"

"Usually not. I've used this one several times and it suits my purposes. They're all symmetrical and if you'll notice, no area is closed off. The rules say the black squares can't exceed more than one sixth of the total number. There are a few other rules tossed in. For example, you can't use any words of fewer than three letters, stuff like that. The good ones have a theme around which the answers are organized."

I picked up one of his reference books and turned it over in my hand. "What's this?"

"That book lists words in alphabetical order from three through fifteen letters. And that one's a crossword finisher that lists words in a complicated alphabetical order up through seven letters."