Meg Mackintosh and The Mystery at Camp Creepy

is #4 of the Meg Mackintosh Solve-It-Yourself Mysteries.
==Book Description==
This title is for children aged 7 to 10 years. While attending summer camp for the first time, Meg tries to solve the mystery of the camp's legendary ghost. The reader is challenged to interpret each clue before Meg finds the solution.
(Description from amazon.com)