13 books • 4 series
Marcus Jones and the Wright Brothers Model (Number Investigators, #5)
Aaron Chu and the Baseball Card Show
Apocalypse Journal
Charlotte Morgan and the Lemonade Stand (Number Investigators, #2)
Charlotte Morgan and the Great Big Math Problem (Number Investigators, #1)
Finals (The Dolbin School, #4)
Irving Williams and the Mystery of the Lighthouse Ghost
The Return of the Professor (The Dolbin School, #3)
The Dark Cloud Rises (The Dolbin School, #2)
Baseball and Aliens
Kevin and the Triple Creature Feature (Kevin's Books, #3)
Dolbin School for the Extraordinary
Kevin and the Three-Headed Alien (A Kevin Book, #2)
