mystery and detective stories

As a Young Scientist, twelve-year-old Addie studies pollution in the lake where her twin brother recently drowned, while secretly continuing his investigation of the creature he believed lives in the lake's depths.

"It's a new day in the garden, and Poppy and Sam are paying a visit to their friend Snuggles Molesy. But Snuggles is in a pickle, looking for a lost pair of pretty pink glasses! Sleuths Poppy and Sam begin to investigate: all around the garden, along the shore of the creek, and even inside the pies Snuggles had been baking. Along the way, they ask the other critters they encounter. Poppy and Sam don't have much luck finding the glasses, but they do come across a variety of other treasures: a flowered umbrella, a flute, a yellow spinning top, and more. By the end of the story, they set up a whimsical lost and found with all of these objects--and finally find the rosy specs, while their fellow garden friends find misplaced treasures of their own"--Amazon.com.

Aspiring Professional Adventurer Mr. Penguin, his colleague, Colin the spider, and friends Edith and Gordon crash-land on a snowy mountain where they face an evil hypnotist and seek missing pets.

When Samantha "Sam" Archer and her friends in the nature club arrive in Yellowstone Park on a school trip, they find that the park superintendent's son may have been kidnapped.

Edward "Egg" Garrison and his friends in the Art Club are on a trip to the Grand Canyon when three riding burros mysteriously disappear.

"If Lupe Davila and Javier Utierre can survive each other's company, together they can solve a series of grisly murders sweeping through Puerto Rico. But the clues lead them out of the real world and into the realm of myths and legends. And if they want to catch the killer, they'll have to step into the shadows to see what's lurking there--murderer, or monster?"--From the publisher's web site.

When Franklin Middle School's sixth grade class visits the public library, Sam, Egg, Gum, and Cat investigate scratching noises and a book series that is always on hold but never checked out.

A choose-your-own adventure that follows mysteries solved by a group of sixth-graders at the River City Museum of Moving Pictures.

A local politician and millionaire is donating the money for a new wing for the Capitol City Air and Space Museum, which will exhibit some of the earliest devices for astronomical observation; but Amal Farah, daughter of one of the Museum's scientists, discovers that the crates supposedly containing the telescopes are empty, and she and her friends set out to investigate.

While on a school field trip to New Orleans, sixth-grader Catalina Duran becomes wrapped up in a mystery when someone attempts to sabotage their trip and Catalina must uncover the culprit.