HarperCollins Publishers
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Zeus the Mighty
National Geographic Kids Author
Crispin Boyer Author
(2020)
Out of the Deep
Mystery in Our National Parks (Series)
Gloria Skurzynski Author
Alane Ferguson Author
(2017)
Explorer Academy
National Geographic Kids Author
Trudi Trueit Author
(2018)
Cliff-Hanger
Mystery in Our National Parks (Series)
Gloria Skurzynski Author
Alane Ferguson Author
(2017)
Over The Edge
Mystery in Our National Parks (Series)
Gloria Skurzynski Author
Alane Ferguson Author
(2017)
Zeus the Mighty
National Geographic Kids Author
(2021)
Tales From the Arabian Nights
Stories & Poems (Series)
Donna Jo Napoli Author
Christina Balit Illustrator
(2017)
Ghost Horses
Mystery in Our National Parks (Series)
Gloria Skurzynski Author
Alane Ferguson Author
(2017)
Running Scared
Mysteries in Our National Park (Series)
Gloria Skurzynski Author
Alane Ferguson Author
(2017)
Zeus the Mighty
National Geographic Kids Author
Crispin Boyer Author
(2019)
