Seven-year-old Tessa and ten-year-old Cammie, daughters of the first female president, and their dog Hooligan, investigate when an ostrich egg is substituted for a rare dinosaur egg on loan from another country.
- ISBN13 9780823425235
- Publish Date 1 April 2013 (first published 1 January 2013)
- Publish Status Out of Print
- Out of Print 25 January 2021
- Publish Country US
- Imprint Holiday House Inc
- Format Hardcover
- Pages 115
- Language English