Detective Riddles: 25 Mini Mysteries for Kids with Answers
25 detective riddles for kids: mini whodunit mysteries about stolen trophies, missing cake and fibbing suspects. Spot the clue, then read the explained answer.
logic puzzles
Logic Riddles: 30 Brain-Bending Puzzles with Answers
30 logic riddles with hints and fully explained answers: deduction, sequences, knights and knaves, weighing puzzles and river crossings, from easy to hard.
Number Riddles: 30 Math Riddles with Answers and Working
30 number riddles with hints and answers, each with the math worked out: place value and odd/even for kids, then clever logic puzzles to stump grown-ups.