, titled "Be Nice to Mice!" | Grosset & Dunlap, May 18, 2006, cover price $3.99 | About this edition:
Fourth-grader Katie is concerned when an older girl uses live mice in a science fair project, but when Katie turns into the sixth-grader and has to run the experiment herself, she has a different opinion of the student.
, titled "Be Nice to Mice!" | Fitzgerald Books, August 1, 2008, cover price $15.00 | also contains Be Nice to Mice
, Be Nice to Mice!
| Reprint edition (Paw Prints, January 6, 2009), cover price $12.99 | About this edition:
FOR USE IN SCHOOLS AND LIBRARIES ONLY.