"When Dr. Watson goes missing, it's a shock. Even Sherlock hasn't the slightest clue as to where he could be. Enola can't help but investigate, especially when she learns that a bizarre bouquet with flowers all symbolizing death has been delivered to the Watson residence"--Description from Howtoread.me

Panamanian golden frogs aren't just cute, little, and yellow. They're also the national symbol of Panama. But they started to disappear about fifteen years ago. What's killing them? Could it be a change in their habitat? What about pollution? Might it be a result of climate change? Follow a team of scientists working to save these frogs and protect frog populations worldwide in this real-life science mystery.

Can the mystery of why the honeybee population is declining be solved by scientists and beekeepers?

Twelve-year-old Randi, unhappy about moving from Brooklyn to Deer Creek, Tennessee, after her mother's death, soon finds new friends and a case to solve surrounding a stolen time capsule and rumors of a centuries-old treasure.

Danny Dragonbreath and his friends try to help the senior reptiles of Sunny Acres find a lost item.

"It's a dark and stormy night when three sleuthing little girls get pulled into a web of mystery. They have mistakenly uncovered a secret society of some of the most famous female spies in history. A glamorous spy named Josephine Baker enlists the girls to find out who has kidnapped Chiquita, her precious pet cheetah. Do the girls have what it takes to become spies themselves?"--

"As Enola searches for the missing Lady Blanchefleur del Campo, she discovers that her brother Sherlock is just as diligently searching for Enola herself! Sherlock and Enola must solve a triple mystery: What has happened to their mother? And to Lady Blanchefleur? And what does either have to do with their brother, Mycroft?"--