When someone leaves the chicken coop open and 100 chickens escape, Peg and Cat use their math skills to solve the problem.
- ISBN10 0375969896
- ISBN13 9780375969898
- Publish Date 25 September 2012 (first published 1 January 2012)
- Publish Status Active
- Out of Print 20 April 2017
- Publish Country IN
- Imprint Random House USA Inc
- Format Hardcover (Library Binding)
- Pages 25
- Language English