Buy from the Author

This is the best way to support the Junior Rangers Investigative Novels directly. Check the links below to purchase the books through the Ingram Spark store.

Note: The ebooks are also available for free on Kindle Unlimited. (Amazon only)

  • "Do you like treasure, mysteries and cool national parks? Check out Treasure off the Coast, it is one of the best books I've ever read and I suggest it entirely!"

    - Frankie U. (a dedicated reader)

  • "Highly recommended as a family read-aloud and also to instill in young readers an appreciation for the treasures of our great national park system."

    - SC (Amazon Reviews)

  • "The Specters of Mammoth Cave was a great mystery for all ages. I love the National Parks, so the book had extra meaning for me."

    - Mo892, (Amazon review)

  • "A fun spooky mystery for confident middle grade readers."

    - Mary R. Lanni (Librarian and book reviewer.)

  • "I loved to learn about the National Parks, and I did not see the end coming, so much fun!"

    - Maxim B. (a dedicated reader.)

Growing up in National Parks, I wanted to share the adventure, history, and intrigue which exists inside of each of these national treasures.

The Mysteries are fictional, but they are set inside the real parks.

Readers can explore alongside the Junior Rangers Investigative Club, and learn more about the history and nature of every park.

Author: Nathan W. Landrum

Dry Tortugas National Park

  • Lucy, Justin, Rudy, and their friends work together to solve a mystery and save an archeological expedition.

    275 pg.

    Paperback: $17.99

  • Kindle Edition: $4.99

Mammoth Cave National Park

  • Bethany, Amelia, Justin, and friends investigate haunting encounters inside the world’s longest cave.

    271 pg.

    Paperback: $17.99

eBooks are available through Kindle Only

  • Kindle Edition: $4.99

Biscayne National Park

  • Rudy and Justin lead their friends on a swashbuckling adventure to find the legendary pirates of Biscayne Bay.

    268 pg.

    Paperback: $17.99

  • Kindle Edition: $6.99

  • If you want to buy my books and support National Parks at the same time, buy them from Bookstores in Biscayne, Dry Tortugas, Everglades, and Mammoth Cave.

  • If you want to support parks, but cannot visit the those stores, you can buy Treasure off the Coast from the Florida National Parks Association.

  • Paperback books are also available through your local bookstore, just ask.

  • You can also purchase them through most major online retailers. Just search for the title and my last name. Check links on the homepage. for some of those locations.

  • Fictional mysteries set in real Parks you can Explore!

    Readers who visit the parks should be able to find and explore many of the same places as the J.R.I.C. members.

  • Written all ages.

    While the books are primarily written for confident middle grade readers, they are great for family read-alongs and park enthusiasts of any age.

  • Real locations, True history, and Accurate science.

    Each book contains real information about the history and nature of our national parks. Readers can learn alongside the Junior Rangers Investigative Club.

  • Start with your favorite park!

    The books are all self-contained mysteries, so they can be read in any order.

  • A fun and diverse cast.

    The members of the Junior Rangers Investigative Club, their friends, and their families all play an important role in solving the mysteries!

  • Stay tuned

    With Mysteries set in Dry Tortugas, Mammoth Cave, Biscayne, Everglades and Big Cypress, more stories with the J.R.I.C, both new and old, are on their way!