Today is the big day--the Olsen twins' birthday. They're both getting right to work planning a surprise party for each other--but neither knows it. This year Mary-Kate and Ashley will have twice the fun and twice the surprises with two parties. Full-color photos.
- ISBN10 0590225936
- ISBN13 9780590225939
- Publish Date 1 March 1998
- Publish Status Active
- Publish Country US
- Imprint Scholastic US
- Format Hardcover
- Pages 48
- Language English