Young alien agent Zack joins an archaeological dig in Mongolia to ensure that there is no trouble from the dinosaur-like scientists from Vraj's home planet who are on a similar dig nearby.
- ISBN10 076135249X
- ISBN13 9780761352495
- Publish Date 1 August 2010 (first published 1 September 2009)
- Publish Status Out of Stock
- Out of Print 10 August 2021
- Publish Country US
- Imprint Lerner Publishing Group
- Format Paperback
- Pages 160
- Language English