Mystery at the Haunted Castle by Paul D. McDonald combines suspense, adventure, and a touch of the supernatural. The story follows the Flaugherty twins, Pat and Patty, as they embark on a trip to Paris that quickly turns into a mystery involving stolen dolls, cryptic...

Mystery on Campus by Paul D. McDonald is an engaging addition to the Flaugherty Twins Mystery series, blending suspense and action. The story follows Pat and Patty Flaugherty as they navigate a complex web of counterfeit money, campus intrigue, and personal relationships. The twins are...