01069cam a2200265 4500 261688146 TxAuBib 20160101120000.0 971119s1998||||||||||||||||||||||||eng|u 97049511 9780448417387 $4.99 0448417383 $4.99 DLC DLC OCL BKL TxAuBib Greenburg, Dan. Now you see me-- now you don't / by Dan Greenburg ; illustrated by Jack E. Davis. New York : Grosset & Dunlap, 1998. 57 p. : ill. ; 20 cm. Zack files, The ; ; 12 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. 20160101. Science Experiments Fiction. Contests Fiction. Davis, Jack E. The Zack files ; ; 12.