Nature Mysteries

What’s next for Calvin the Piglin? Now that Tera and Kalo have been defeated, the Minecraft world is at peace again. Calvin can’t wait to have his vacation, while Peter is excited to be back working as a detective in the Crimson City Police Department in the Nether. But a letter from an ally is asking for help with capturing the seven most wanted criminals of the Overworld.

This bundle includes Basil of Baker Street, Basil and the Cave of Cats, Basil in Mexico, and Basil in the Wild West.

When Cam and Eric go on a field trip to the museum with their fifth grade class, Cam - with her photographic memory - makes an interesting discovery: dinosaur bones are missing from one of the exhibits. When no one believes them, they decide to catch the thieves themselves. As they stake out the library, a mysterious milk truck stops by. Cam knows something is wrong. The logo on the truck does not match the logo on the milk carton they drank from at lunch. The game is afoot! Will they find the missing dinosaur bones when they follow the truck to a neighborhood house?

Ra the Mighty is Pharaoh's Cat, Lord of the Powerful Paw. He is not Ra the Royal Babysitter. How's a cat supposed to fit in all his snacks and naps when his charges keep getting into mischief? Ra's new job only gets harder on a voyage up the Nile, leading to a fearsome palace where crocodiles swarm the waters. Then Pharaoh's son disappears. Has he run away? Has he been eaten by crocodiles? Has he been kidnapped, or worse? Ra and his fellow Great Detectives, Khepri and Miu, set out to discover the truth, but the palace is home to many secrets.

Life innovates constantly, producing perfectly adapted species—but there's a catch. Many animals and plants eke out seemingly unremarkable lives. Passive, constrained, modest, threatened. Then, in a blink of evolutionary time, they flourish spectacularly. Once we start to look, these 'sleeping beauties' crop up everywhere. But why? Looking at the book of life, from apex predators to keystone crops, and informed by his own cutting-edge experiments, renowned scientist Andreas Wagner demonstrates that innovations can come frequently and cheaply to nature, well before they are needed.

Of all the creatures of the deep blue, none is as captivating as the octopus. In Many Things Under a Rock, marine biologist David Scheel investigates four major mysteries about these elusive beings. How can we study an animal with perfect camouflage and secretive habitats? How does a soft and boneless creature defeat sharks and eels, while thriving as a predator of the most heavily armored animals in the sea? How do octopus bodies work? And how does a solitary animal form friendships, entice mates, and outwit rivals?

Explore the mysterious beauty of gothic gardening with this illustrated plant encyclopedia, featuring the history, myths, and lore behind 50 dark and unique plants perfect for creating your very own spooky garden. From the Mangave Black Widow to the humble mint plant, discover the hidden stories...

Walter the Cat is a star, but is he too famous for his own good? The Boxcar Children must find out who's trying to ruin this cat's career!

The Allen family loves their many pets, and they’re excited to adopt just one more - Henry, the bull-terrier. But why are dangerous men after him? He’s not telling, and the other pets must find out before someone in the family gets hurt: Why is Henry angry about being adopted? Can a dachshund actually concentrate for more than two minutes? What do Henry’s stalkers really want? Can a cat’s natural stubbornness foil a dastardly scheme of kidnapping and robbery?

Mr. McGee was the principal of Englewood Elementary in 1947, and the students have just discovered that he created a massive treasure hunt all those years ago... But Mr. McGee disappeared before he could share any of the clues. Seventy years later, Leila and Nugget are ready to crack the case and find that missing treasure.

It's winter in the Texas Panhandle, and the ranch is covered in snow and ice. So when Sally May sets off for town, Hank decides to follow Pete the Barncat's advice and bravely escorts her car down the slick road. Before Hank realizes what's happening, Sally May's car skids into a snowdrift - and she is angrier than ever!

Sometimes I take an opportunity to say good-bye to the cattle and wish them a safe journey. "Well, good-bye, you morons. It was nice having you here at the ranch, but it'll be even nicer having you gone. You ate all our grass and taking care of you was a pain in the neck. Good-bye, good riddance, and don't ever come back."

The Boxcar Children are spending their vacation on a farm. They learn to do everything from milking cows and making homemade jam to raising a barn. Then one day they spot a beautiful horse locked up in a stable. Who is the mystery horse? And why is it hidden?

When Evelyn, her brother Elliot, and their loyal dog Ozzy meet the mysterious old groundskeeper Thomas, they stumble into a centuries-old secret hidden deep beneath the ruins of Tynemouth Priory. What begins as a moonlit adventure soon becomes a race against time as riddles, secret tunnels, and a locked stone chest lead them to a powerful relic once fought over by pirates and monks. But someone else is hunting the treasure too—a shadowy figure who will stop at nothing to claim it.

When Hank hears a rumor that the sky is going to fall from the ranch's resident rooster, he is naturally a bit skeptical. But then a report from Pete the Barncat and a strange dream seem to support the theory, and Hank realizes that he'd better take the threat seriously. After all, as Head of Ranch Security, it's his job to protect the ranch from any and all potential danger.

No sooner has Sally May finished planting her vegetable garden when some kind of unearthly being decides to burrow in the neatly planted rows of tomatoes and peppers. It looks like a job for the Head of Ranch Security, so Hank sets straight to work trying to dig the space monster robot out of its hole.

Meet the Chicken Squad: four fuzzy little chicks who should fill their days pecking chicken feed and chasing bugs, but instead spend most of their time looking for trouble, and finding it.

The Aldens have promised Grandfather a vacation from mysteries during their island visit. But the promise proves hard to keep when things start to go missing. Then an old fisherman tells Benny of the island’s ghost horse, and late that very night Benny sees a mysterious stallion galloping down the beach. Could the ghost horse have something to do with the disappearances?

When the Aldens hear that Mr. Wood's cat Spotzie is missing, they immediately help out by putting up "LOST CAT" posters and going door-to-door with a photograph of the cat. But along the way, they meet some strange characters, receive frightening phone calls, and even find a cat that looks just like Spotzie - but is it? It seems that the more they search, the more mysterious the mystery becomes!

Beautiful Australian birdlife is disappearing one by one as an international smuggling operation robs our rainforest. The thieves are after the exotic birds, including the master prize of the black cockatoo. Can five local heroes band together to battle a quad bike pursuit, a deadly snake, and a surprise traitor to release the birds and restore order to the forest?