Osborne, Mary Pope. <br/><br/>
Dark day in the deep sea / 
by Mary Pope Osborne ; illustrated by Sal Murdocca. 
 - New York :  A Stepping Stone Book/Random House,  [2017]  �2008 
 - 106 p. :  ill. ;  20 cm. 
 - Magic tree house. Merlin missions ;  #11 .
 - Osborne, Mary Pope.  Merlin missions ;  Magic tree house series.  #11. .
<br/><br/> "Originally published in hardcover as Magic Tree House #39 in 2008"--T.p. verso. 
<br/><br/> 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." 
<br/><br/> 3.8.  3-6  Follett School Solutions. 
<br/><br/><label>ISBN: </label>9780375837326 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Challenger (Ship : 1872-1876)--Juvenile fiction.<br/>Challenger (Ship : 1872-1876)--Fiction.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Jack (Fictitious character : Osborne)--Juvenile fiction.<br/>Annie (Fictitious character : Osborne)--Juvenile fiction.<br/>Oceanography--Juvenile fiction.<br/>Compassion--Juvenile fiction.<br/>Magic--Juvenile fiction.<br/>Tree houses--Juvenile fiction.<br/>Brothers and sisters--Juvenile fiction.<br/>Jack (Fictitious character : Osborne)--Fiction.<br/>Annie (Fictitious character : Osborne)--Fiction.<br/>Oceanography--Fiction.<br/>Compassion--Fiction.<br/>Magic--Fiction.<br/>Tree houses--Fiction.<br/>Brothers and sisters--Fiction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Time-travel fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.O81167  / Dar 2017 
<br/><br/><label>Dewey Class. No.: </label>[Fic]