Kathleen Pennell: 5 books

The Pony Investigators secure a job at Shamrock Stables cleaning out stalls for owner, Freddie Myers. Flash O' Lightning, a valuable race horse, disappears in the middle of the night. The sensor at the end of the land and the alarm system in the stall fail to ring when the horse disappears. It is...

While everyone sleeps, a mysterious stranger moves into the old Johnson place at the edge of town. From the widow's walk at the top of the house, Amy Jo and Becky spot him sending signals to someone at the quarry a mile away. They refer to him as Reflecto Man, because he wears reflective sunglasses...

While housesitting at the Funderburg home, Amy Jo and Becky discover a hidden door leading to a series of underground tunnels. Strange markings on the tunnel wall, visible only with a black light, lead them further and further into the passageways where the girl detectives uncover a fiendish plot....

A series of accidents has the circus staff visiting Bedford on edge and on guard. When Amy Jo and Becky land jobs at the circus giving Pony rides with Ginger and Oreo, they become involved in the mystery. Their investigation leads them on an unnerving escapade through twists and turns chasing a clown...

Astride their faithful ponies, Ginger Snap and Oreo Cookie, Amy Jo and Becky solve mysteries and crimes in the small town of Bedford. In The Case of the Missing Money, their elderly friend, Edith Martin, has stashed money boxes in various places around her house. A sudden illness causes her to lose...