Nature Mysteries

Three more slapstick early readers from our favourite doggy detectives, all set in the summer sun. And things are heating up! Someone is cheating in the sandcastle competition! There’s something fishy about the new cafe! But it’s the alien invasion that really makes Shifty and Sam lose their cool! Anyone for an iced bun?

The Aldens must find a way to solve many mysteries, and all before 5:00 p.m. on Tuesday! Strange things are happening in Greenfield where the Boxcar Children live. Stray cats and dogs appear on doorsteps, but the animal shelter is forced to close, and a nice old woman disappears. Henry, Jessie, Violet, and Benny are very worried about Mrs. Newcombe. Is she in danger? Who are the strange men lurking around her house?

In this celebration of the seemingly mundane, Carlsen opens our eyes to the engineering marvels, human stories, and natural wonders right outside our front door. He guides us through the surprising allure of sewers, the intricacies of power plants, the extraordinary path of an everyday letter, and the genius of recycling centers — all the while revealing that this awesome world isn’t just a spectator sport. Engaging as it is endearing, A Walk Around the Block will change the way you see things in your everyday life.

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.

Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to the museum. Cam and her class are on a fild trip at the museum when Cam discovers that some bones are missing from a dinosaur skeleton. Can Cam find the bones and catch the thief?

Marie Russell and Detective Roméo Leduc are finally getting married, but the joyous occasion is overshadowed by the unexpected arrival of Magnus Sørenson, renowned eco-warrior and Marie’s first great love. When Magnus’ plans for a dramatic environmental protest take a dark turn, Roméo and Marie are forced to abandon their honeymoon in the Laurentians in order to catch a killer, unearthing long-buried secrets along the way.

Hank learns about a tool thief on the loose who uses a monkey to help him do his dirty work. And before long, Hank finds himself face-to-face with the pilfering primate! Can Hank help to stop the criminals in their tracks, or will the crooks make a monkey out of the Head of Ranch Security?

When a remote camera on a large, rugged expanse held by the Land Trust for Wildlife Conservation picks up a blurry image of what could be a mountain caribou, they contact Alex Carter to investigate. After all, mountain caribou went extinct in the contiguous U.S. years ago, and if one has wandered down from Canada, it’s monumental.

As Head of Ranch Security, Hank knows that it's his job to clear the ranch of all intruders - and that includes gophers. But when Hank's efforts to rid the yard of one such critter causes a stampede in the middle of the cattle roundup, Loper decides that he just can't take it any more. He wants Hank to learn some manners, so he's sending him to - gulp! - obedience school.

When a funny turn of events brings a parrot to the ranch, Hank is not worried. After all, what harm can one copycat bird do? So he decides to go about his business. The only problem is, Loper and Sally May don't seem to appreciate his heeding their requests to bark louder and dig up the flowers. What's really going on here? Hank's not sure, but he's determined to find out! Picknickers sing "Because Thy Loving Kindness," and Drover sings a little number called "There Once Was a Doggie".

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.

The monumental statues of Easter Island, both so magisterial and so forlorn, gazing out in their imposing rows over the island’s barren landscape, have been the source of great mystery ever since the island was first discovered by Europeans on Easter Sunday 1722. How could the ancient people who inhabited this tiny speck of land, the most remote in the vast expanse of the Pacific islands, have built such monumental works?

Tom's eyes bored into Basil's. "I admire and respect you as a brilliant detective, but I must speak frankly. Your chances of capturing J. J. are practically zero. The obstacles are too many and too great. In my opinion, Basil, you're on an impossible mission!"

Basil the mouse detective sets off on a journey to solve one of the greatest mysteries of mousedom: Do miniature cats exist? Leading mouse scientists aren't certain, but they believe answers can be found in the Far East. Thus begins the story of an unusual quest. As Basil sets sail for the Far East - and the lost island of Kataarh - danger stalks him at every turn. Our hero is determined to unravel the mystery of these mini cats and their mouse king!

Case brief: The opening of the Kalamazoo City Dome - the world's largest indoor/outdoor amusement complex - has everyone in the city buzzing, especially because it's going to be the shooting site for Chase Mercy's new blockbuster film. But that's when things start to go haywire, and Mayor Saunders suspects foul play. Who would want to sabotage the Dome, and why?

The four Aldens like visiting the large old museum owned by their grandfather's friend. But then Jessie sees a huge, scary shadow moving in the room where the dinosaur skeletons are on display. And bones from the enormous Tyrannosaurus rex disappear. They must find the missing bones and solve the mystery before an exhibit is scheduled to open - or there might not be a dinosaur exhibit at all!

An American classic with a refrain that millions of kids love to chant: Hundreds of cats, thousands of cats, millions and billions and trillions of cats. Wanda Gág's enchanting tale of the very old man who went off in search of the prettiest cat in the world for his wife and returned instead with millions to choose from has become an American classic, widely recognized as the first modern picture book. First published in 1928, it was a recipient of the 1929 Newbery Honor Award and has gone on to sell over a million copies.

Chet Gecko loves a good mystery. Almost more than he loves his fee: Stinkbug pie. So when fellow fourth grader Shirley Chameleon asks him to find her missing brother, Billy, Chet expects the case to be as easy as pie. But Billy's disappearance is part of a larger plot, one that involves the Rat Sisters, a riddling junkyard dog, and a vicious Gila monster named Herman. If Chet doesn't solve the case fast, the entire school could be humiliated. Worst of all, Chet might not get his fee. And Chet's hungry...

When Queenie the cat wins first place in a feline beauty contest at the county fair, Arthur the dog expects her to be snootier than ever. (Even though she barely beat out another cat who looked almost exactly like her.) Yet when Queenie returns from the fair, she seems oddly nice and sociable - almost like she's had a personality change! The humans chalk up Queenie's good mood to her recent win, but Arthur knows the truth. He can tell from the smell that this friendly Queenie is an imposter!

The Aldens are helping out at a rescue ranch, taking care of horses that need extra attention. Jessie’s favorite is a beautiful horse named Dragon. But when Dragon and some of the other horses disappear from the pasture, the Boxcar Children must saddle up for a mystery. What’s happening to the horses at the Dare to Dream Ranch?