121 books • 15 series
Book #39: Caravan
Book #43: Home in Time for Christmas
Book #2: Journey Under the Sea
Book #2: The Haunted House
Book #4: Space and Beyond
Book #4: Lost Jewels of Nabooti
Book #4: Your Very Own Robot (Choose Your Own Adventure - Dragonlark)
Book #13: Cup of Death
Book #14: The Case of the Silk King
Book #21: Mona is Missing
Book #21: Struggle Down Under
The Lost Ninja
Book #6: House of Danger
Book #16: Secret of the Ninja
Book #36: Owl Tree
Book #1: Journey to the Year 3000
Book #2: Danger Zones
Book #9: Who Killed Harlowe Thrombey?
Book #20: Escape
Book #37: War with the Evil Power Master
Book #28: Fire!
Book #4: Castle of Darkness
Book #10: It Happened at Camp Pine Tree
Book #1: El abominable hombre de las nieves
Book #2: Viaje Al Fondo del Mar
Book #3: El Espacio y MS All
Book #4: Las Joyas Perdidas de Nabooti
Book #5: El Misterio de Los Mayas
Book #1: Traitors from within
Book #2: Crossing Enemy Lines
Book #3: Almost Lost
Book #5: Escape from China