To rescue a friend's pet turtle, Djuna must solve the riddle of a haunted house His new shoeshine box under his arm, boy-sleuth Djuna is looking for customers when he meets a young reporter named Socker Furlong. Socker assigns Djuna and copyboy Ben Franklin to investigate a haunted empty house. Djuna, Ben, and Ben's pet turtle are having a lot of fun creeping around outside-until the place turns out not to be so abandoned after all.   Djuna sees...

During a lakeside vacation, Djuna hunts a mysterious fire starter Whenever Djuna leaves the house, he seems to get into trouble. Whether it's catching bank robbers or sniffing out a ring of counterfeiters, something about this young man makes him a magnet for mystery. When Miss Annie Ellery plans a summer vacation by the shores of Silver Lake, Djuna and his friend Tommy while away their time fishing, swimming, and sleeping till noon. Djuna promises...

On vacation in Florida, Djuna meets a cat with a peculiar secret Djuna steps off the bus and into the Florida heat, ready for a few weeks of slow-paced Southern living with his friend Tommy, whose father recently moved to Dolphin Beach. After spending the whole summer solving mysteries, Djuna is looking forward to some peace and quiet.   But trouble has a way of finding Djuna. While Tommy gives him a tour of the town, Djuna spies two men sneaking...

When Ellery Queen goes out of town, his nephew takes on a cosmic case For weeks, Gulliver Queen has looked forward to going on vacation with his uncle Ellery, the world-famous author and sleuth. But on the eve of their departure, Ellery is called away on government business. Gully is heartbroken-until Ellery deputizes him as his assistant, tasking him with taking down information from anyone who comes by looking to hire the great detective. There...

In a seaside town, Djuna discovers theft, secrets-and murder When Djuna goes to spend the summer with troubled Aunt Patty, he passes the time swimming, eating steamed clams, and catching lobsters out in the bay. But when seemingly worthless trinkets start disappearing from Aunt Patty's house, Djuna's sleuthing instincts spring into action, and he soon discovers something far more frightening than petty theft.   Then Aunt Patty's fishing boat disappears...

Two brave young sleuths connected to one of the greatest detectives of all time tackle their own cases in these eleven whodunits. For mystery fans, the name Ellery Queen brings to mind the sophisticated amateur sleuth who helped solve some of New York City's most confounding cases. But he wasn't the only one in his household with an eye for crime solving. Here are eleven puzzling mysteries, nine solved by Djuna, the Queen family's quick-witted assistant,...