Osborne, Mary Pope. <br/><br/>
Monday with a mad genius  
by Mary Pope Osborne ; illustrated by Sal Murdocca. 
 - 1st ed. 
 - New York :  Random House,  2007. 
 - 110 p.  ;  ill. ;  20 cm. 
 - Magic tree house ;  #38 .
 - Osborne, Mary Pope.  Magic tree house series ;  #38. .
<br/><br/> "A Merlin Mission."  "A Stepping Stone book." 
<br/><br/> Jack and Annie travel 500 years back in time to Florence, Italy, and spend a day helping Leonardo da Vinci in the hope of learning another secret of happiness. 
<br/><br/> RL: 3.3. 
<br/><br/><label>ISBN: </label>9780375837296  11.99 
<br/><br/><label>Subjects--Personal Names: </label><br/>Leonardo, da Vinci,  1452-1519 --Juvenile fiction.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Time travel--Juvenile fiction.<br/>Magic--Juvenile fiction.<br/>Brothers and sisters--Juvenile fiction.<br/>Curiosity--Juvenile fiction.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Florence (Italy)--History--1421-1737--Juvenile fiction.<br/>Italy--History--1492-1559--Juvenile fiction.