Osborne, Mary Pope <br/><br/>
Dolphins at Daybreak 

 - New York  Random House  1997 
 - 67 p  illus  19/13/0,5 cm  Paperback 
 - Magic Tree House  9 .
<br/><br/> Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle. 
<br/><br/> Ages 6-9 
<br/><br/>
<br/><br/><label>ISBN: </label>9780679883388 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine animals--Fiction<br/>Submarines<br/>Time travel--Fiction
<br/><br/><label>Subjects--Index Terms: </label>chapter book 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>IW (Science Fiction, Mythical, Fantasy)<br/>SU (Mystery, Horror, Adventure)<br/>HF (Historical Fiction)
<br/><br/><label>Dewey Class. No.: </label>813