Sal Murdocca

"Todd's ears are so clogged up he can't hear, but he doesn't want to miss school. His teacher, the ex-spy Mr. Merlin, is sure to have secret codes for the class to figure out and a new mystery for them to solve..."

"Someone knocked out Todd and Noelle's friend Pops Verner, the night watchman at the department store, and stole his treasured pocket watch. He's pretty sure the robber is one of the three men who work in the storeroom. But how can he figure out which one ..."--Cover back.

"Misty's younger brother left her brand-new bike in the middle of the street, and a speeding car ran over it. Not only is the bike totally mangled, it's covered with ugly red dirt. Misty wants to find the driver, but she doesn't have much information to go on--all she noticed was that the car was white. The Third-Grade Detectives agree to help, but there are an awful lot of white cars around town. Can the detectives clean up the case?"--Cover, p....

When the local grocer is accused of stealing his oysters from private oyster beds, the Third Grade Detectives think something fishy is going on, and decide to take the case in order to help clear their grocer's good name.

The Third-Grade Detectives must track down a criminal who robs blood banks.

Todd uses clues from earwax and a pink handkerchief in order to discover which of his schoolmates has been in his treehouse.

When her dog Rover is accused of tearing up Mrs. Ruston's tomato plants, Noelle investigates with her friend Todd and finds long yellow hairs that may point to the real culprit.

When Mrs. O'Dell's science experiment with shrinking plants goes awry, her third-grade students find they have become miniature people in a world of giants.