The Mystery of the Maze Monster
John Sazaklis
Ting Ting the Ghosthunter
Gabrielle Wang
World's Worst Time Machine
Dustin Brady
The Second Girl Detective Megapack
Julia K. Duncan & Roy J. Snell & Dorothy Wayne & Helen Randolph
Three Cheers, Secret Seven
Enid Blyton
Secret seven (8)
World War II: Air War
Stephen W. Sears