The details Clemons provides are what make the book so memorable. . . . The main story is economically and briskly told, bolstered by a thoughtful, helpful appendix, as well as a collection of direct questions ('Did Apollo 10 Almost Crash into the Moon?') and frank answers."—Publishers Weekly"An engineer and software manager who worked on both the Apollo and space shuttle flights rehearses some behind-the-scenes activity during the decades he worked with NASA. . . . A narrative rocket powered by experience, intelligence, knowledge, and gratitude."—Kirkus