Book List:13 titles
  • The Landon family is Southboundheaded for Florida to investigate a mysterious illness plaguing endangered manatees in Everglades National Park. Jack, Ashley, and their friend Bridger soon find themselves in deadly waters with a seven-foot shark, an i...


  • This thrilling series roars back to life with the release of Mystery #13, Night of the Black Bear. Something very strange is going on in Great Smoky Mountains National Park. A teenage girl is the latest victim in a growing number of bear attacks. Off...


  • The Landons are in Alaska's Denali National Park and are joined by 13-year-old Nicky Milano. Jack, Ashley, and Nicky accept a dogsled ride from a man in a Park Service uniform. Deep in the frozen wilderness, the kids are stranded and are caught in an...


  • THE SOUND WAILS HIGH THEN LOW, LIKE A CAT IN THE DEAD OF NIGHT. . . Jack and Ashley cling to each other in terror as they struggle to push images of screeching bats from their minds. In their search for eight-year-old Sammy, the two Landon kids have...


  • A baby whale is the latest mammal stranded on the beaches of Acadia National Park. When the Landons run to get help, they don't notice Bindy Callister slip away. When they track her down, she's acting strange -- she knows the strandings are no accide...


  • Something in the Virgin Islands National Park is destroying the coral reefs and causing the hawksbill sea turtle to disappear--and the Landons are trying to figure out what. Jack and Ashley soon become involved with the son of a U.S. diplomat who is ...


  • Jack can't believe what he's hearing. His sister is being held hostage. Whoever snatched Ashley must have been following the Landons as they explored Death Valley National Park. But what do they want with Leesa? When Jack discovers why Leesa is on t...


  • DR LANDON. . .VARMITS DESERV TO DIE. AND SO DO YOU. When Olivia Landon receives this anonymous e-mail shortly after broadcasting her controversial plan to save the condors in Grand Canyon National Park, everyone thinks it's just a crank threat fro...


  • BEFORE HE EVEN GOT TO ZION NATIONAL PARK, JACK LANDON WAS SURE OF ONE THING: ETHAN INGAWANUP WAS GOING TO BE TROUBLE. Things start to go wrong right after Ethan and his sister Summer -- two Shoshone kids -- are placed in the Landons' care. When...






  • GRIZZLY CUBS ARE DISAPPEARING FROM GLACIER NATIONAL PARK, AND THE LANDONS ARE THERE TO HELP FIGURE OUT WHY. But for 12-year-old Jack, the real mystery is his sister Ashley's strange behavior. What was she doing in the woods alone so early in the mor...


  • A snorkeling vacation in Hawaii results in mystery and adventure for Jack and Ashley when they meet Danny, a young boy from Vietnam, with whom they climb Devastation Trail and learn about the legendary Pele....


  • When a cougar attacks a hiker in Mesa Verde National Park, the Landons have another mystery on their hands. Jack and Ashley are used to visiting parks with their wildlife veterinarian mother and photographer father, but this time their hands are full...


    • / Amateur Sleuth
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    YELLOWSTONE NATIONAL PARK BUZZES WITH RUMORS ABOUT A WOLF ATTACK. A STALKER EDGES THROUGH THE TREES, READY TO KILL. From the opening moments at Old Faithful through the next 48 hours, the tension builds. Keen pacing allows for scenes of suspense, ad...