The facts are presented and the clues left behind. See if you can solve the crime.

A mystery needs solving. It's at the Riddle Middle School, where students hacked into the computer and stole the midterm exam. Take brainteasing challenges including lateral thinking puzzles, logic questions, and more to figure out who stole the exams.

Describes forty-three crime puzzles, which the reader tries to solve with the aid of clues, codes, alibis, and other evidence.

We all like to think we can solve a murder given the right clues. Heres a chance to use mathematics skills to identify whodunit for ages 12-14.

Presents a series of puzzles in the form of mysteries that can be solved by applying a knowledge of mathematics and mathematical reasoning, and explains the solutions.

The reader is invited to help Dr. Quicksolve and his son, Junior, solve forty mini-mysteries. Includes solutions.

Our detective puzzles and brain teasers are designed for kids aged 10 and up but don't worry, we have the answers included, after pauses, so you can check your progress along the way. Our book with 20 detective puzzles will help with problem-solving skills and teach you how to think logically and strategically. Plus, these short mystery puzzles are a great way to improve concentration and focus.