My Son, the Time Traveler
Zack learns that the baseball card he wants to buy has just been purchased by a boy named Mack who, when meeting him, surprisingly introduces himself as Zack's son from the future. Simultaneous.
More by Dan Greenburg
How to be a Jewish mother
My Great-Grandpa's In the Litter Box
A Ghost Named Wanda (Zack Files)
Secrets of Dripping Fang
Through the Medicine Cabinet
Now You See Me-- Now You Don't
Zack Files 11: How to Speak to Dolphins in Three Easy Lessons
Dr. Jekyll, orthodontist
Hang a left at Venus
Philly, a Novel
Tell a Lie and Your Butt Will Grow
Elvis the Turnip-- and Me