TY - BOOK AU - Osborne,Mary Pope AU - Murdocca,Sal TI - Dark day in the deep sea T2 - Magic tree house SN - 9780375937316 (lib. bdg.) AV - PZ7.O81167 Dar 2008 U1 - [Fic] 22 PY - 2008/// CY - New York PB - Random House KW - Challenger (Ship : 1872-1876) KW - Juvenile fiction KW - Fiction KW - sears KW - Oceanography KW - Compassion KW - Time travel KW - Magic KW - Tree houses KW - Brothers and sisters KW - Siblings N1 - "A Merlin mission."; "A Stepping Stone book."; Horn Book; 3.8; Follett Library Resources; 3-6; Follett Library Resources; 3-6; 520; Lexile N2 - Eight-year-old Jack and his seven-year-old sister, Annie, learn about the ocean, solve the mystery of its fabled sea monster, and gain compassion for their fellow creatures after joining a group of nineteenth-century explorers aboard the H.M.S. "Challenger." ER -