Book details
Hour of the Olympics
The Magic Tree House, 1998 by Mary Pope Osborne
on Goodreads (10,653)
Description
Jack and Annie are off to ancient Greece with the magic tree house! There, they meet a great athlete, a famous old philosopher, and even witness the very first Olympic Games. But that's not why they are there. There is a terrible law in the city where the Olympic Games are being held. If found, Jack and Annie can be put to death for reading books!