Dark day in the deep sea
By: by Mary Pope Osborne ; illustrated by Sal Murdocca.
Contributors: Murdocca, Sal.
Edition: 1st ed.
Series: Magic treehouse -- #39
Publisher: Random House
Published: 2008
Place of publication: New York
Language: eng
ISBN-13: 9780375837319; 9780375937316; 9780375837326
Subjects: Challenger (Ship : 1872-1876) -- Fiction; Oceanography -- Fiction; Compassion -- Fiction; Time travel -- Fiction; Magic -- Fiction; Tree houses -- Fiction; Brothers and sisters -- Fiction
Genres: Fiction
Description: 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.
Notes: "A Merlin mission."

"Stepping Stone book."