This book is about a brother and a sister called Jack and Annie. They discovered a magic tree house. This house could take them to any place and any time in history.
This time they went back to the days of deserted islands. But unfortunately for them in this island there were pirates. One pirate found the two kids and gave them to their captain of their ship.
Captain says to the kids that if they solve the riddle and find the treasure, that he is looking for he will let them go.
The kids said “yes” but they have something else in their mind. After many tries they managed to escape.
