Cathy Pepe Releases Second Grandma Gang Mysteries Book: Donny, Mary Grace and the Dognappers

Crime-solving siblings Mary Grace and Donny team up with the Grandma Gang to solve the mysterious disappearance of dogs from their California town; Ten percent of net proceeds from book sales to be donated to Special Olympics

Lompoc, CA (September 26, 2022) – Author Cathy Pepe has released the second novel in the Grandma Gang children’s book series,Donny, Mary Grace and the Dognappers. The book continues the adventures of young sleuth Mary Grace and brother Donny after they move to California to live with their grandmother who is part of a mystery-solving group known as the “Grandma Gang.” Donny, Mary Grace and the Dognappers can be purchased at or by visiting

In the exciting follow-up to Mary Grace and Donny’s California Adventures (2021), dogs have started to go missing around the siblings’ adopted west coast hometown, including Grandma Cathy’s two dogs – Krug and Kansas. The local authorities suspect that dognappers are responsible for all the missing pets. Who are the dognappers? Where are the dogs and how can they be brought back home? It’s a mystery that only Donny, Mary Grace, and the Grandma Gang can solve.

Donny, Mary Grace and the Dognappers is a thrilling mystery with themes of friendship and responsibility for young audiences,” Pepe said. “Readers of all ages can enjoy this exciting escapade following Mary Grace, Donny and the Grandma Gang as they attempt to solve the mystery of the missing dogs.”

Donny, Mary Grace and the Dognappers is available in hard cover, paperback and Kindle e-book. The Grandma Gang book series is inspired by Pepe’s late younger brother, who had Down syndrome and was the basis for the character Donny. Ten percent of net proceeds from book sales will benefit Special Olympics, an international organization dedicated to empowering individuals with intellectual disabilities to become physically fit, productive, and respected members of society through sports training and competition.

“I am proud to once again support Special Olympics with sales of this book,” Pepe continued. “The organization creates amazing opportunities in sport for children and adults with intellectual disabilities and it was a significant part of Donny and our family’s life.”

The first book in the Grandma Gang series, Mary Grace and Donny’s California Adventures, was a hit with readers, receiving a 4.9 of 5 rating on Amazon and a perfect 4 of 4 rating on OnlineBookClub, which also selected the novel as its book of the month for May 2023. Additional books in the series will be forthcoming, including Donny and Mary Grace and the Ugly Marbles. To learn more about Grandma Gang Mysteries, including how to purchase books and support Special Olympics, please visit

About Cathy Pepe

Cathy Pepe is a retired lawyer, mother of two and sister to three – including the real-life Donny. Cathy began writing the Grandma Gang series during the COVID-19 pandemic as an avenue to share stories inspired by her brother. She grew up in Long Beach, CA, with three siblings and now resides in Lompoc, CA, where the books are based. While the Grandma Gang Mysteries are fiction, many of the characters and incidents were inspired by Donny and the rest of her amazing family.

Prior to writing the Grandma Gang Mysteries, Cathy was an accomplished lawyer at an international law firm and became the first female partner at the practice specializing in labor and employment law. She attended law school after being at home with her two sons for 11 years, funding her tuition by winning two TV game shows.


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