Osborne, Mary Pope <br/><br/>
Magic Tree House #45 A Merlin Mission :  A crazy day with cobras. 

 - New York, NY :  Random House,  2011. 
<br/><br/> The Magic Tree House whisks Jack and Annie back to India during the Mogul Empire in the 1600s to search for an emerald needed to break a magic spell. 
<br/><br/><label>ISBN: </label>9780375867958