Nancy arrives in Phoenix, Arizona, eagerly looking forward to a fun-filled vacation at Shadow Ranch but finds herself embroiled in a baffling mystery involving a phantom horse and buried treasure.

Dink Duncan and his two friends investigate the apparent kidnapping of famous mystery author Wallis Wallace.

"The Tower Treasure" is the first installment in the "Hardy Boys" series of mysteries. Written by Canadian author Charles Leslie McFarlane and published under the pen name, Franklin W. Dixon, in 1927, "The Tower Treasure" ranks as one of the best works in the series. In this thrilling and suspenseful work, readers are introduced to Frank and Joe Hardy, two clever and resourceful teenage boys, who find themselves in the middle of a strange case involving...

When a jewelry store is robbed, Cam knows she has to act fast. The police have caught the wrong man, and it's up to Cam and Eric to catch the real thief.

While visiting Wallis's castle, Dink and his friends investigate strange noises that lead them to a dangerous secret.

Dink, Josh, and Ruth Rose help catch the thieves who have stolen the treasure from the museum's mummy exhibit.

While using her photographic memory to find her missing science fair project, Cam accidentally locates two valuable gold coins.

Nancy and her friends find they have to overcome people's superstitions and fears in solving the case of a "jinxed" and threatened bird farm.