Osborne, Mary Pope <br/><br/>
Dragon of the Red Dawn / 
Mary Pope Osborne. 
 - New York :  Random House,  2007. 
 - 108 
 - Magic Tree House #37 .
<br/><br/> When Merlin is weighed down by sorrows, Jack and Annie travel back to feudal Japan to learn one of the four secrets of happiness. 
<br/><br/><label>ISBN: </label>9780375837272 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time travel-fiction<br/>Magic-fiction<br/>brothers and sisters-fiction