Osborne, Mary Pope <br/><br/>
Magic tree house Merlin missions, #07  night of the new magicians  eng 

 - New York  Random House  2006 
 - 112 
 - Magic tree house series .
<br/><br/> Jack and Annie visit the Paris World's Fair of 1889 in an effort to protect four scientific pioneers from an evil sorcerer 
<br/><br/><label>ISBN: </label>9780375830365 
<br/><br/><label>Dewey Class. No.: </label>823.912  / OSB-M