9780385249461, titled "Cuckoo's Egg: Tracking a Spy Through the Maze of Computer Espionage" | Doubleday, September 1, 1989, cover price $19.95 | About this edition: The first true account of computer espionage tells of a year-long single-handed hunt for a computer thief who sold information from American computer files to Soviet intelligence agents

9781416507789 | Reissue edition (Gallery Books, September 13, 2005), cover price $16.99 | About this edition: Updated with a new afterword, a true-life account of computer espionage tells of a year-long single-handed hunt for a computer thief known as 'Hunter,' a hacker who stole sensitive security and military information from American computer files to sell to Soviet intelligence agents.

9780743411462 | 1 poc edition (Simon & Schuster, October 1, 2000), cover price $26.95 | About this edition: A true-life account of computer espionage tells of a year-long single-handed hunt for a computer thief known as 'Hunter,' a hacker who stole sensitive security and military information from American computer files to sell to Soviet intelligence agents.

9780671726881 | Reprint edition (Pocket Books, July 1, 1995), cover price $6.99 | About this edition: A true account of computer espionage describes a year-long single-handed hunt for a computer thief who sold information from American computer files to Soviet intelligence agents

9780671217013 | Simon & Schuster, March 1, 1974, cover price $7.95 | About this edition: Two psychologists utilize the modern principles of learning in a program designed to toilet train children of over twenty months of age in as little as four hours.

9780743411455 | Reissue edition (Pocket Books, October 1, 2000), cover price $10.95 | About this edition: Two psychologists and learning specialists utilize the modern principles of learning in an effective program designed to help toilet train young children in as little as four hours.