Sample Question (answer below):
The Case: Michael is fleeing a stampeding herd of buffalo when he comes to a wide, deep river. To escape, he must cross it, but there is no bridge and he has no boat or materials to make a boat. He cannot even swim. Nonetheless, he easily gets away.
The Mystery: Why is Michael able to cross the river and why don't the buffalo follow?

The second in the line of 30 Second Mysteries Books, clues are available for each riddle, if they are needed, which allows the players to determine the difficulty of the game. The book has a spinner in the back that determines what kind of riddle you will try to solve, a who, what, where, when or why. Grab a pen and keep score, or just have fun trying to sovle the riddles yourself. This is a great game for families to keep in the car or by the armchair.

Answer for above: Michael can cross the river because it is frozen; the buffalo are too heavy to follow.