Ten guests arrive at Oliver's house, one by one, and enjoy his birthday party, then leave separately when it is over. Each page displays the matching addition or subtraction problem.
- ISBN10 0764154613
- ISBN13 9780764154614
- Publish Date 1 April 2002 (first published July 2001)
- Publish Status Out of Print
- Out of Print 16 June 2021
- Publish Country US
- Imprint B.E.S. Publishing
- Format Hardcover
- Pages 40
- Language English