mystery and detective stories

When a thief takes the box office money at the school play, Cam uses her photographic memory to solve the mystery.

Nate and his dog Sludge are determined to find the recipe for his mother's monster cookies.

While traveling on the train to San Francisco with his cousin Olivia's owl, Nate the Great and his dog Sludge must use all of their detective skills when the owl suddenly disappears.

In 1908, eleven-year-old Innie joins the library club at a settlement house that serves immigrant families of Boston's North End, but when items and money disappear from the settlement house, Innie's past as a troublemaker puts her under suspicion.

Cam helps her friend Eric when he misplaces his permission slip to go on the school field trip.

Fifth graders Drake Doyle and Nell Fossey use their detective and scientific investigation skills to solve cases which involve food poisoning, missing terns, a haunted treehouse, and a pig in a pit.

While having a picnic on the docks, animal detectives Bunny and Jack meet a dog whose one and only lawn chair is missing, and they set out to solve the case.

When she notices some bones missing from a dinosaur skeleton exhibited in the museum, a young girl with a photographic memory tries to discover who has been taking them and why.

While visiting Aunt Molly at a fancy downtown hotel, Cam uses her photographic memory to help one of the guests find her stolen luggage and pet cat, and to catch the thief.

Fourth-graders Drake Doyle and Nell Fossey combine their detective and scientific investigation skills to solve a variety of cases, involving a hungry cat, endangered penguins, a fish-stealing monster, and a dirty election. Includes a section of scientific experiments and activities.