After months of hoarding his allowance, Zack is on his way to buy a prized baseball card. But when he gets to the store, the owner tells him that someone else has just bought it. Who, you may ask, has beaten Zack out of the card? A boy named Mack, who claims to be Zack's son from the future.
- ISBN10 0606121331
- ISBN13 9780606121330
- Publish Date 14 April 1997 (first published 1 April 1997)
- Publish Status Out of Print
- Out of Print 12 January 2017
- Publish Country US
- Imprint Demco Media Inc
- Edition Turtleback School & Library ed.
- Format Hardcover
- Pages 57
- Language English