Osborne, Mary Pope <br/><br/>
Games and puzzles from the tree house :  Over 200 challenges! 

 - New York :  Random House,  2010. 
 - 249 pages :  illustrations, maps, music ;  20 cm. 
 - Magic tree house .
<br/><br/> "Travel through time and around the world with Jack and Annie to help them solve puzzles, play games, break codes, and more! They've seen the age of the dinosaurs and the high-tech future, they've visited freezing Antarctica and scorching deserts - and now Jack and Annie need your help with five activities from every Magic Tree House adventure, from book #1 to book #44. So many activities... so much fun!" 
<br/><br/><label>ISBN: </label>9780375862168 
<br/><br/><label>Subjects--Personal Names: </label><br/>Annie (Fictitious character from Osborne) <br/>Jack (Fictitious character from Osborne) 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Puzzles and games