With his ability to travel through time using baseball cards and photographs, thirteen-year-old Joe and his mother go back to 1863 to ask Abner Doubleday whether he invented baseball, but instead find themselves in the middle of the Battle of Gettysburg.
- ISBN10 075697920X
- ISBN13 9780756979201
- Publish Date 30 January 2007 (first published 15 March 2005)
- Publish Status Out of Print
- Out of Print 21 July 2022
- Publish Country US
- Imprint Perfection Learning
- Format Hardcover (Library Binding)
- Pages 166
- Language English