Chet Morton's cousin, Vern, is on his way to California to find a rare and valuable coin mysteriously missing from his uncle's bank vault. When he stops in Bayport, his brand-new car is stolen. The Hardys take on a double mystery-and double danger as they head for the West Coast to investigate this sinister mystery.

Chet Morton's very first day on the job--driving a Freddy Frost Ice Cream truck--sends him straight into the deep freeze. Two thugs in ski masks hijack the truck and kidnap Chet! Frank and Joe find him tied up in an empty garage, and the only clue to the identity of his kidnappers is the blue star tattooed on their wrists--the mark of the Starz. A local street gang.

Counterfeit money is in circulation, and the limit is reached when Mrs. Hardy takes some from a stranger. Then the Hardy boys and their high school chums are warned to stay away from the old mill. Their curiosity plunges them into peril of the most unexpected kind. ______________ Determined to learn the secret of the old mill, Frank and Joe employ a clever use to gain entrance and become trapped. There they unravel two mysteries, one involving a counterfeiting case and the other, a national security case their father is working on.

A TRIP TO THE CIRCUS STIRS THE BOYS SENSESAND SUSPICIONS. Frank, Joe, and their friends head to Philadelphia to catch a performance of Aerocirque, an amazing circus act with a twist: The acrobats swing and flip from helicopters high in the air! But all is not well in the City of Brotherly Love. The other show in town is a series of robberies, and no one knows how theyre being pulled off. Frank and Joe are soon jumping through hoops to find the clues they need to catch the culprits. But will they be too late? It looks like this mystery may come right down to the wire!

Brother detectives Frank and Joe find themselves on the basketball court and in the midst of a dangerous team initiation scheme in this thrilling Hardy Boys adventure.Joe and Frank are taken aback when Principal Gerther announces that they need more extracurriculars on their school transcript, and he's signed them up for the basketball team. They think it's odd because they both stink at basketball! But the Hardys soon find out that their principal isn't acting out of concern for their college applications; he wants them to solve a dangerous mystery on the team. It turns out that a band of masked players are kidnapping new team members and then beating them up, blackmailing them, and threatening them—all in an effort to boost performance. Can the boys step up to the line and stop the shadiness?

The Formula One Grand Prix comes to Bayport and brings a caper for the Hardy Boys. The odds-on favorite to win is top British speedster, Angus McCoy. But durning a prerace lap to set the course record, Angus smashes through a guard rail and lands in a mangled heap at the bottom of Barmet Bay--or does he?

Their friend Bill Hooper's disappearance at a survival game camp in Georgia leads the Hardy Boys to discover a training site for an elite corps of attack troops.

Frank and Joe are on a mission to track down a thief in the first book in an all-new, interactive Hardy Boys chapter book mystery series. Includes space for readers to jot down their own ideas and solutions to the case!Bayport Elementary is throwing a fundraiser so they can go on an end-of-the-year trip. Ellie Freeman's parents have volunteered their house for the event, and neighbors have donated all sorts of prizes to be raffled off including movie tickets and gift certificates to Fun World. But the best prize of all is a brand-new ZCross50000, a video game system that every kid has been drooling over. But sometime during the event, the ZCross goes missing. Can Frank and Jo figure out who took the prize before it's too late to save the big school trip?

When a world-famous Olympic swimmer is sabotaged during the Summer Games, Nancy Drew, her friends, and the Hardy brothers have their work cut out for them after they decide to investigate the scandal. Can they find out who wants the swimming superstar to sink, or are they in water over their heads?

When an ancient stone idol disappears, the Hardy Boys are off on another fast-paced adventure. It's a mystery that takes the boys from a primitive village in the Andes Mountains to Antarctica and finally to Easter Island. By using their fine investigative skills, the Hardy Boys find that the mystery of the stone idol is not what it seems!

Brother detectives Frank and Joe follow a crooked trail of artistic deception in the fifteenth book in the thrilling Hardy Boys Adventures series.The Hardy Boys are visiting Paris! Joe is excited to check out all the street art he's heard about. And Frank can't wait to go to all the museums he's researched. On their very first day in the city, the brothers are woken up early in the morning by fireworks. But these are no ordinary fireworks. They are a part of elaborate cover for the heist of a priceless artifact. What's worse, the theft seems to have been orchestrated by Joe's favorite street artist, an unidentified outlaw and activist that goes only by the name Le Stylo. Everyone seems sure that it's him, but the Hardys are suspicious. From everything they know about Le Stylo, the crime is out of character. Sure, he makes a habit of provoking the authorities, but he's an activist; not a thief. Could the artist known for his mystique have been framed? Frank and Joe are...

Pineview Lake is the perfect place for some serious ice fishing, some hard-hitting hockey--and some chilling criminal activity. A rash of break-ins has left dozens of homes ransacked, and the Hardys are determined to find out who's responsible. But as they turn up the heat on their investigation, they find themselves in the line of fire...