Vacation under the volcano /
by Mary Pope Osborne ; illustrated by Sal Murdocca.
- New York : Scholastic, 2017, c1998.
- 74 p. : ill. ; 20 cm.
- The magic tree house series; #13 .
Their magic tree house takes Annie and Jack to Pompeii just as Vesuvius is about to erupt, and they must find a Roman scroll before everything is covered with burning ash.