Arthur "Artie" MacArthur is a tenacious twelve-year-old with good detective instincts … but VERY questionable judgment. Luckily, he has two good friends to pry him out of the hilarious predicaments he always finds himself in. The Arthur MacArthur Mysteries contains five complete stories filled with danger, nonstop humor, and excitement! The Mysterious Stranger A burglar is on the loose in the small town of Plainville, and Artie is determined to crack the case! When he runs into an odd, dangerous looking stranger in town, Artie is convinced the man is up to no good. Lacking any proof, Artie tails him, enlisting the help of his friends Jenny and Sam. But is the scary stranger the burglar the police are looking for, or has Artie found himself in a mess of trouble? The Ghost Car Several mysterious sightings of a priceless antique car stolen 25 years earlier from a local car show has the town in an uproar. Is it a "ghost" or the real car? And why, after all these years has it reappeared? Artie is determined to get to the bottom of it and find the car—and in the process solve a 25-year-old mystery the police say is hopeless. The Creeping Sludge Artie and his friends go up against the Krag Chemical Company who, they suspect, is polluting the river. They run across two crooks, nicknamed "Ham and Cheese," and try to discover why their science teacher—who was leading the charge against the chemical company—has gone missing. In the process, they discover that they are in a race against time to stop Krag before it's too late! The Sky Prisoner Artie and his friends witness a small plane crash in the forest. When they arrive on the scene, the plane is empty, but they discover a coded message taped to the control panel. The plane was stolen from a nearby airport, one of many that have recently disappeared without a trace, and Artie is determined to break the code and solve the mystery of the missing planes. In this humorous and exciting adventure, Artie runs across a suspicious airport manager, lots of cows, a gang of airplane thieves, and he takes an unplanned airplane journey halfway across the country, the prisoner of a singing pilot who can’t hit the high notes. The Ride of Doom The county fair is in town and Artie is anxious to try out the new attraction— The Ride of Doom . Performing at the fair is Artie's favorite singer, Dallas Dakota, a big star when Artie's parents were young, and now doing the county fair circuit. When the local bank is robbed and suspicion falls on Dallas Dakota and his band, Artie springs into action to prove that his favorite singer is innocent. Does the secret lie in The Ride of Doom