Osborne, Mary Pope. <br/><br/>
Earthquake in the early morning / 
by Mary Pope Osborne; illustrated by Sal Murdocca. 
 - New York, NY :  Random House,  2001. 
 - p.  cm. 
 - Magic Tree House; #24 .
<br/><br/> Summary: The magic tree house takes Jack and Annie to San Francisco in 1906, in time for them to experience one of the biggest earthquakes the United States had ever known. 
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<br/><br/><label>ISBN: </label>0-679-99070-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time travel--Fiction<br/>Earthquakes--California--San Francisco--Fiction<br/>Tree houses--Fiction<br/>Magic--Fiction