Osborne, Mary Pope. <br/><br/>
Ancient Rome and Pompeii: A Nonfiction Companion to Magic Tree House #13: Vacation Under the Volcano. 

 - 128  p. 
<br/><br/> Ancient Rome and Pompeii: A Nonfiction Companion to Magic Tree House #13: Vacation Under the Volcano by Mary Pope Osborne (2006) 
<br/><br/><label>ISBN: </label>0375832203