The Boxcar Children (The Boxcar Children, No. 1) (The Boxcar Children Mysteries)

Timmi Tobbson Big Boxed Set: Solve-Them-Yourself Picture Mystery Adventures for Boys and Girls aged 8-12 (Books 1-3)

InvestiGators: All Tide Up (InvestiGators, 7)

Insignificant Events in the Life of a Cactus (Volume 1)

Legend of the Star Runner: A Timmi Tobbson Adventure Book for Boys and Girls (Solve-Them-Yourself Mysteries for Kids 8-12)

Danger in Zion National Park: A Mystery Adventure (National Park Mystery Series)

Adventure in Grand Canyon National Park: A Mystery Adventure (National Park Mystery Series)

Discovery in Great Sand Dunes National Park: A Mystery Adventure (National Park Mystery Series)

InvestiGators: Ants in Our P.A.N.T.S. (InvestiGators, 4)

City Spies