Osborne, Mary Pope. <br/><br/>
Ghost town at sundown / 
by Mary Pope Osborne; illustrated by Sal Murdocca. 
 - New York, NY :  Random House,  1997. 
 - p.  cm. 
 - Magic Tree House; #10 .
<br/><br/> Summary: Eight-year-old Jack and his seven-year-old sister, Annie use the  magic tree house to whisk them back to the Wild West, where they experience excitement and danger and try to solve a riddle. 
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<br/><br/><label>ISBN: </label>0-613-05056-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time travel--Fiction<br/>Adventure and adventures--Fiction<br/>Tree houses--Fiction<br/>Frontier and pioneer life--West (U.S.)--Fiction