Bella and Benjamin are two of the brightest 13-year-old detectives we know-and are soon to be your kid's favorite sleuths. Which twin stole the diamond ring? What is Mrs. Grinder's houseguest hiding? Fun illustrations and fascinating characters keep kids engaged as they test their powers of deduction and hone reading and vocabulary skills. Each two-deck set features 90 unique mysteries. Solutions printed in reverse type; mirror card included.

Age Recommendation: Ages 10 and up