Now You See Me-- Now You Don'tBook - 1998
When Zack accidentally drinks the invisible ink that is one of Spencer's experiments, he worries about missing his only chance to get his picture in the paper, if the new flavor he and Spencer invented wins the local Len and Larry's Ice Cream contest.
Publisher: New York : Grosset & Dunlap, c1998.
Branch Call Number: J Gree
Characteristics: 57 p. : ill. ; 19 cm.