Osborne, Mary Pope. <br/><br/>
Dark day in the deep sea / 

 - First edition 
 - New York :  Random House,  c2008. 
 - 106 pages :  illustrations ;  22 cm. 
 - Magic tree house ;  #39 A Merlin mission .
 - Osborne, Mary Pope.  Magic tree house series ;  #39. Osborne, Mary Pope.  Merlin missions.  Magic tree house series. .
<br/><br/> "Stepping Stone book." 
<br/><br/> 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. 
<br/><br/><label>ISBN: </label>9780375837319 (trade) 0375837310 (trade) 9780375937316 (lib. bdg.) 0375937315 (lib. bdg.) 9780375837326 (pbk.) 0375837329 (pbk.) 
<br/><br/><label>LCCN: </label>2007029717 
<br/><br/><label>Subjects--Personal Names: </label><br/>Jack (Fictitious character from Osborne) --Juvenile fiction.<br/>Annie (Fictitious character from Osborne) --Juvenile fiction.
<br/><br/><label>Subjects--Corporate Names: </label><br/>Challenger (Ship : 1872-1876)--Juvenile fiction.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Oceanography--Juvenile fiction.<br/>Compassion--Juvenile fiction.<br/>Time travel--Juvenile fiction.<br/>Magic--Juvenile fiction.<br/>Sea monsters--Juvenile fiction.<br/>Tree houses--Juvenile fiction.<br/>Brothers and sisters--Juvenile fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>High interest-low vocabulary books.
<br/><br/><label>LC Class. No.: </label>PZ7.O81167  / Dar 2008 
<br/><br/><label>Dewey Class. No.: </label>[Fic]