If the kid in your life has already blown through the Boxcar Children, A-Z Mysteries, and Encyclopedia Brown, chances are you’re scouring the library shelves for something new. Well, here are some kids’ chapter book mystery series that may not have made it to your local library’s collection–but definitely belong in yours.

The Rugendo Rhinos

Shel Arensen

My husband grew up on this adventure mystery series set in Africa. Follow a band of daring missionary kids and their friends as they make rescues and fight crime in Kenya.

National Park Mystery Series

Aaron Johnson

Join the adventure! This mystery series for elementary school kids is set in real locations in various national parks. My son reads these until they fall apart and is begging to visit Great Sand Dunes National Park.

Timmi Tobbson Solve-Them-Yourself Mysteries

J.I Wagner

A new take on the solve-it-yourself style of Encyclopedia Brown. Use both the stories and the illustrations to crack codes, discover clues, and solve the mystery!