Great Mysteries

Henry, Jessie, Violet, and Benny are going down under. Off the coast of Australia, they dive in to explore the Great Barrier Reef. With the help of their conservationist guide, Kayla, they learn about ways to help rebuild the damaged reef. But coral reefs take a long time to take shape. Can the Aldens find ways to help the animals that need help now?

From the strange case of 'The Red-Headed League' to the extraordinary tale of 'The Engineer's Thumb', Sherlock Holmes and his assistant Dr Watson grapple with treachery, murder and ingenious crimes of all kinds. But no case is too challenging for the immortal detective's unique power of deduction.

“Alafair Burke's latest propulsive thrill-ride is a suspenseful, twisty mystery about memory, friendship and secrets. A page-turner of the highest order.” -Laura Dave, author of The Last Thing He Told Me The disappearance of a young woman leaves her best friend reeling and an NYPD homicide...

This dazzling thriller pits Chief Medical Examiner Kay Scarpetta against greater odds than ever before. Convicted serial killer Carrie Grethen has escaped from psychiatric hospital with plans for revenge. Wary and shaken, Scarpetta also has to investigate the death by fire of an unknown woman...

Cross. Now streaming on Prime Video. From #1 New York Times bestselling author James Patterson, Alex Cross encounters his most explosive case ever as a D. C. assassin picks off politicians—and his most deadly enemy is waiting to kill everyone he loves. Detective Alex Cross and Bree's...

Cross. Now streaming on Prime Video. When the home of Alex Cross's oldest friend, Ellie Cox, is turned into the worst murder scene Alex has ever seen, the destruction leads him to believe that he's chasing a horrible new breed of killer. As Alex and his girlfriend, Brianna Stone, become...

The eleventh Scarpetta novel, in which the Chief Medical Examiner is under a Grand Jury investigation for murder. She knows she’s being framed and she no longer knows who she can trust… Physically and psychologically bruised by her encounter with the killer Chandonne, Dr Kay Scarpetta has to...

Following the post mortem of a stowaway which reveals neither cause of death nor identity, Dr Kay Scarpetta travels to Paris in search of information. In Paris she is given a secret mission, a mission which could ruin her career...

Cross. Now streaming on Prime Video. The pinnacle of all Alex Cross thrillers is now available as a value-priced audiobook! Alex Cross was a rising star in the Washington, DC, Police Department when an unknown shooter gunned down his wife, Maria, in front of him. The killer was never found...

A local radio station is holding the Great Detective Race, and the Boxcar Children have entered the contest! They solve riddles and search all over town for clues leading to the grand prize. But when some of the clues turn out to be fake, it's clear that someone is playing unfairly! Who could be trying to ruin the race—and why?

Cross. Now streaming on Prime Video. The toughest cases hit closest to home. Alex Cross left his hometown, and some awful family tragedies, for a better life with Nana Mama in Washington, DC. He hasn't looked back. Now his cousin Stefan has been accused of a horrible, unthinkable murder, and...

Cross. Now streaming on Prime Video. If Alex Cross stops running, he will die . . . three serial killers are on the loose, and they want revenge. Detective Alex Cross arrests renowned plastic surgeon Elijah Creem for sleeping with teenage girls. Now, his life ruined, Creem is out of jail...

People in Adenville are breathing a sigh of relief. It seems that Tom D. Fitzgerald, the Great Brain, has truly reformed. For months, not one kid has been swindled and not one stunt has been pulled. But when he gets a new bike for Christmas, the Great Brain heads full speed into his old ways. And this time his ideas are bigger than ever. He puts all of Adenville in fear of a prehistoric beast from Skeleton Cave, solves a mysterious bank robbery, and captures the ghost of Silverload Mine.

Against the backdrop of a never-colonized North America, a broken Ojibwe detective embarks on an emotional and twisting journey toward solving two murders, rediscovering family, and finding himself.

From Martha Waters, the author of the “enchanting” (Entertainment Weekly) Regency Vows series, a new historical romance set in 1930s England with a murder mystery twist. In a quaint village in the Cotswolds, Georgiana Radcliffe has accidentally become an amateur detective after helping solve...

The Earth Day Fair is days away, but Nate's classroom project - a robot named Mr. Butler - has disappeared. Nate the Great and his dog, Sludge, take on the unusual case, and they are soon searching high and low in and around the school. Will Nate find the robot in time for the fair?

After camping in Rocky Mountain National Park, Jake and his friends travel to the Great Sand Dunes in southern Colorado. Exploring the heart of the dunes, they stumble upon something both unexpected and dangerous. Through more twists and turns, Jake’s friendships and integrity are tested by choices that will demand smarts and courage.

The Twelfth Dr Kay Scarpetta Novel. Dr Kay Scarpetta has left Virginia in quest of peace but instead finds herself drawn into baffling, horrific murders in Florida, where she becomes entangled in an international conspiracy that confronts her with the shock of her life...

The author of the wildly popular The Kind Worth Killing returns with an electrifying and downright Hitchcockian psychological thriller—as tantalizing as the cinema classics Rear Window and Wait Until Dark—involving a young woman caught in a vise of voyeurism, betrayal, manipulation, and...

The suspenseful tale of two courageous kids and one inquisitive scientist who teamed up to stop an epidemic. Eel has troubles of his own: As an orphan and a “mudlark”, he spends his days in the filthy River Thames, searching for bits of things to sell. He’s being hunted by Fisheye Bill Tyler, and a nastier man never walked the streets of London. And he’s got a secret that costs him four precious shillings a week to keep safe. But even for Eel, things aren’t so bad until that fateful August day in 1854.