"Did someone say "field trip"? Gerald is all in! He'd much rather be exploring the Taiga than sleeping through science class ... When Gerald discovers a secret trapdoor in an igloo, he doesn't exactly get lost. But ... if he's not careful, his classmates might just lose him!"--From back cover.
Creeper diaries ; book nine
Mann, Greyson. Creeper diaries
Mann, Greyson. Creeper diaries ; bk. 9.
School field trips -- Juvenile fiction.
Schools -- Juvenile fiction.