01487cam a2200373 a 4500 14960973 OSt 20260518094751.0 070810s2008 nyua c 000 1 eng 9780375837319 9780375937316 9780375837326 LC LC ABK ENG RDA 813.6 23rd. OSB Osborne, Mary Pope. 66612 Dark day in the deep sea / by Mary Pope Osborne ; illustrated by Sal Murdocca. 1st edition New York : Random House, c2008. 106 pages : illustrations ; 22 cm. Magic treehouse ; #39 "A Merlin mission." "Stepping Stone book." 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. Challenger (Ship : 1872-1876) Fiction. 67963 Oceanography Fiction. 67964 Compassion Fiction. 67965 Time travel Fiction. 67776 Magic Fiction. 14426 Tree houses Fiction. 67966 Siblings Fiction. 64224 Fiction. lcgft https://id.loc.gov/authorities/genreForms/gf2014026339 Murdocca, Sal, illustration 67957 ddc BOOK 40298 40297 0 0 ddc 0 0 CL CL 2026-05-18 0 813.6 OSB 17190 2026-05-18 07:46:00 2026-05-18 BOOK