Now you see me-- now you don't
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.
Fiction, Science, Contests, Experiments, Juvenile fiction
Dan Greenburg, Jack E Davis
American writer, humorist, and journalist. His 73 books have been published in 20 languages in 24 countries.