This new series, brother of the successful Nancy Drew Notebooks, was targeted at kids in grade three or four. The series ran from 1997 to 2000, when it was discontinued due to poor sales.

The Gross Ghost Mystery The Karate Clue First Day, Worst Day Jump Shot Detectives Dinosaur Disaster Who Took the Book? The Abracadabra Case The Doggone Detectives The Pumped-Up Pizza Problem The Walking Snowman The Monster in the Lake King for a Day Pirates Ahoy! All Eyes on First Prize Slip, Slide, and Slap Shot The Fish-Faced Mask of Mystery The Bike Race Ruckus