Chester the cat is more than ever convinced that Bunnicula is a vampire when there is a harvest of white vegetables on the morning after the night that Bunnicula was probably wandering through the neighborhood.

Despite his uncourageous name, Mewkiss proves to be a strong and brave kitten during a crisis in which his mistress's life is threatened.

It's Christmas Eve at the Monroes'. The tree is trimmed, the stockings are hung, and everyone is eagerly awaiting the arrival of Santa Claus. Except Howe. Howie the dachshund puppy is scared. Scared? On Christmas? Harold the dog and Chester the cat can't imagine why, but they intend to find out!

A Japanese business tycoon mysteriously disappears and, soon after, a rare samurai sword is stolen from an art gallery. Suspecting a connection, the Hardy boys try to solve the mystery.

The reader's decisions control the course of an adventure in which a gambling syndicate tries to influence the outcome of a Swiss auto race.

The art collector who suspects the Hardy boys of stealing one of his valuable paintings offers them a chance to prove their innocence by hiring them to find the painting and the real culprits.

Valuable antique weathervanes are being stolen in the Pennsylvania Dutch country. A Navy employee removes a top secret document from the Pentagon. The Hardy brothers try to solve these two unseemingly related mysteries.

The Hardy boys accompany a Canadian teenager to Los Angeles to help locate a missing rare coin, but soon become involved in an even larger case.

After finding giant footprints in the snow, Andy is sure that Bigfoot is stalking his house.

The Hardy boys travel to Vermont to investigate a mysterious fire and to help a circus owner who is plagued with accidents.