Ken Robbins specializes in photographic nonfiction books on subjects ranging from the Brooklyn Bridge to autumn leaves. His book "Tools, " with its trademark hand-tinted photographs was a "New York Times" Best Illustrated Book. His books for Atheneum include "Fireflies at Midnight" by Marilyn Singer, "Trucks, Thunder on the Plains, " and "Apples." Mr. Robbins lives in East Hampton, Long Island.