TY  - BOOK
AU  - Osborne,Mary Pope
AU  - Murdocca,Sal
TI  - Dark day in the deep sea
T2  - Magic tree house,
SN  - 9780375837319
U1  - Fic 
PY  - 2008///]
CY  - New York
PB  - Random House
KW  - Challenger (Ship : 1872-1876)
KW  - Juvenile fiction
KW  - lcgft
KW  - Action and adventure fiction
N1  - "A Merlin mission."; "A Stepping Stone book."
N2  - When eight-year-old Jack and his seven-year-old sister, 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
ER  -