When Jack and Annie join a group of nineteenth-century explorers aboard the H.M.S.
Challenger, they learn about the ocean, solve the mystery of its fabled sea monster, and gain
compassion for their fellow creatures.
— based on fandom.com
DEBUT
Dark Day in the Deep Sea (Random House, March 2008) [print ·
e-book].
VARIANTS
Debut. Dark Day in the Deep Sea (Random House, March 2008) [print · e-book].