When Jem and Zack find an old box full of coins, jewellery and other curiosities, they find that each of the objects in the box takes them hurtling back to the time and place that it came from. This book is part of a series of adventure stories combined with interactive puzzles.
Becca Heddle is an award-winning writer of books for children. Her nonfiction titles cover topics from the moon to the parts of plants you can eat, and from otters and their habitat to the history of communications technology. rlf.org