Connecticut middle-schooler Jake and his older sister Kady are transported by a Mayan artifact to a strange world inhabited by a mix of people from long-lost civilizations who are threatened by prehistoric creatures and an evil alchemist, the Skull King.
- ISBN10 0061858218
- ISBN13 9780061858215
- Publish Date 28 April 2009
- Publish Status Unknown
- Out of Print 11 April 2013
- Publish Country US
- Publisher HarperCollins Publishers Inc
- Imprint HarperCollins
- Format eBook
- Pages 432
- Language English