9781417738588 | Turtleback Books, May 1, 2005, cover price $14.15 | About this edition: Perfect Desiree seeks the help of wealthy problem solver, Olivia Sharp, in becoming princess of the school.

9781417738571 | Reprint edition (Turtleback Books, May 1, 2005), cover price $14.15 | About this edition: Wealthy secret agent Olivia Sharp helps depressed Duncan find a friend.

9781417738595 | Turtleback Books, July 1, 2005, cover price $14.15

9781417738601, titled "The Green Toenails Gang" | Turtleback Books, July 1, 2005, cover price $14.15 | About this edition: Wealthy Olivia Sharp, agent for secrets, uncovers several secrets on a trip to Carmel, California, to help a friend become a member of an exclusive club.

9781417792481 | Reprint edition (Turtleback Books, August 1, 2007), cover price $16.00

9780606165839 | Demco Media, August 1, 1999, cover price $13.05 | also contains Nate the Great Saves the King of Sweden | About this edition: As Nate the Great sets to work on his first international case, he searches for a lost 'something' and saves the King of Sweden from a troublesome traveler

9781435295032 | Reprint edition (Paw Prints, June 5, 2008), cover price $13.50 | also contains Nate the Great Saves the King of Sweden

9780613182690 | Turtleback Books, March 1, 2001, cover price $16.00 | About this edition: As Nate the Great sets to work on his first international case, he searches for a lost 'something' and saves the King of Sweden from a troublesome traveler

9781439549049 | Reprint edition (Paw Prints, September 18, 2008), cover price $13.50 | also contains Nate the Great and the Crunchy Christmas | About this edition: FOR USE IN SCHOOLS AND LIBRARIES ONLY.

9780613062459 | Turtleback Books, October 1, 1997, cover price $16.00 | About this edition: Even a deep snow the week before Christmas can't keep Nate and his dog Sludge from finding the special card sent to Annie's dog Fang by his mother