#3 Meg Mackintosh (A Solve-It-Yourself Mystery)
Meg Mackintosh and the Mystery at the Medieval Castle - title #3: A Solve-It-Yourself Mystery (3)
Meg and her classmates visit a medieval castle and become eyewitnesses to the theft of a priceless silver chalice. The reader is asked to solve the mystery before Meg, using clues found in the text and illustrations.