Osborne, Mary Pope <br/><br/>
Dogs in the dead of night 
/ by Mary Pope Osborne ; illustrated Sal Murdocca 
 - First edition 
 - 114 pages :  illustrations 
 - Magic tree house,  46 .
<br/><br/> "A Merlin mission" 
<br/><br/> Jack and Annie travel to a monastery in the Swiss Alps where, with the help break the spell on the wizard Merlin's beloved penguin, Penny. 
<br/><br/><label>ISBN: </label>9780375868245 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time travel--Juvenile fiction
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Historical fiction
<br/><br/><label>Dewey Class. No.: </label>Fic