Great Mysteries

Journey into quantum physics - without the mathematical maze! Ever wonder how particles can exist in two places at once or why Einstein called quantum entanglement "spooky action at distance"? Quantum Physics Unplugged transforms these mind-bending concepts into clear, engaging insights that anyone can grasp.

As a picturesque and perfect summer arrives in Michigan, a father and son prepare to sail around Lake Superior, one of the largest freshwater lakes in the world. It is a trip three years in the making and filled with planned stops for wreck diving, camping, and hiking. The water is deep, the wind is just right, and the sunsets are sublime. If there was ever a place for Robin and Tristian Norris to "get away from it all", the remote Superior coastline is it.

The Owl Express: Nate, the great detective, and his dog Sludge, hit the rails on their latest case. Their mission: To guard an owl named Hoot. Hoot belongs to Nate’s cousin, Olivia Sharp, and she thinks someone on the train might be out to get her feathered friend. Then Hoot disappears! The Tardy Tortoise: The sun is shining, the birds are singing, and someone is eating the flowers in Nate's garden. A green tortoise is slowly stepping across the lawn, and Nate is slowly following him. It may take all of Nate the Great's patience and sharp eyesight to find out slowly.

A threatening letter is sent to a Cornish news website, warning that a dead body has been hidden at a remote clifftop location. When Detective Inspector Zennor races to the scene, she discovers that the victim is still alive - but barely. Journalist Jason Blake has been beaten and left to die in the elements of the wild Atlantic coast. The man has a checkered past... could it be that an old score is being settled? The news comes just as DI Zennor, Cartwright, and Boswell are ready to make a breakthrough in the human trafficking case - forcing them to divert their time and attention ...

As the children tour the famed Sydney Opera House, their next puzzle - and its key - falls right into their laps. They need to find the rightful owner of a rare Australian coin. Using their knowledge about Australia, the Aldens find the coin's owner, but a saboteur is again hot on their heels and nearly spoils their hard work. Next up, the Aldens travel to frigid Antarctica, where they need to return an artifact to the hut Shackleton used on his expeditions to the South Pole.

Jessie and Benny are participating in the Great Greenfield Bake-Off, a local baking competition for kids. But ingredients get mixed up during the competition, and then the power goes out. Is someone trying to put an end to the contest?

The first book in this awesome series! Come follow in the adventure and mystery as Missy Porter, a young woman, tags along on her father’s trip to Stockholm, Sweden. His company North & North try to uncover a plot against the royal family, whose ruby necklace has been stolen. When she arrives at the palace, she’s not only welcomed by her cousin Jack, who is helping out on the case, but by a sarcastic King. The King asks for her help, leading her into tight situations and comical performances. Before she knows it, she’s tangled up in the case to find the stolen necklace, endangering ...

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?

Inspector Hogarth is in deep trouble. The two men who once sought his blood now aim to eliminate each other. Only Hogarth stands between them. To stop them, he must plunge into deadly danger—and to protect his colleagues, he must do it alone. With the town teetering on the edge of a gang war, Hogarth faces a harrowing truth: he has become the catalyst for a new crimewave. He will fight on, alone. He will attempt to conceal the truth. But DS Palmer won’t stand idly by. Nor will the other woman in his life… The trouble is, their intervention might make things far, far worse… Against ...

A successful property developer is killed in his luxury home, murdered as he dined alone. Grant Cooper appeared to have everything - wealth, success, notoriety, and a career filled with bitter rivalries. Cooper had built a life envied by all who knew him. But when DI Hogarth looks beyond the bloody crime scene, he soon discovers the truth – the kind of truth no one could ever be proud of... If Grant Cooper had it all, then why was the man so lonely? And how come his ending was so bloody? Hogarth and his team must dig beneath rumour and lies to find the truth behind Grant Cooper’s demise...

In 1918, a world war raged, and a lethal strain of influenza circled the globe. In the midst of all this death, a bizarre disease appeared in Europe. Eventually known as encephalitis lethargica, or sleeping sickness, it spread worldwide, leaving millions dead or locked in institutions. Then, in 1927, it disappeared as suddenly as it had arrived. Asleep, set in 1920s and '30s New York, follows a group of neurologists through hospitals and asylums as they try to solve this epidemic and treat its victims - who learned the worst fate was not dying of it, but surviving it.

Alex has it all—love, success, prestige. But someone is watching, waiting, ready to destroy her. Can she survive? I bolt upright in my bed, startled. Did I scream? I hold my breath and listen intently. Nothing moves. Protected by darkness, I lean on my pillow and linger in the sweet realization that the nightmare wasn’t real. I am OK. Then reality hits. I am not OK. My life is falling apart. Fast. Looking in from the outside, I am still living my dream. I have a loving husband, wonderful home, thriving business, recognition, prestige. Seemingly I have it all. But I don’t… I am ...

Two best-selling Agatha Christie novels in one great audiobook: What is The Secret of Chimneys? A young drifter finds out when a favor for a friend pulls him into the heart of a deadly conspiracy in this captivating classic from Agatha Christie. Plus: A Murder is Announced in a small-town newspaper advertisement - and Miss Marple must unravel the fiendish puzzle when a crime does indeed occur.

The ring of the bell at 221B Baker Street portends evil and confronts Holmes and Watson with a case which will push them to the limits of their own humanity. It will call upon all of their abilities simply to survive. Harry Devereaux was a devil-may-care young man until he returned to his ancestral home near Great Manchester. What he saw there drove him to the brink of madness and sent him flying straight to London and the only man who could help him. “There was no one there Mr. Holmes, only blood!” With those few words Sherlock Holmes and Dr. John Watson find themselves pitted against ...

The biggest lie in history is about to be shattered. UFOs are real. In late June of 1947, three extraterrestrial craft were downed outside Roswell Air Force Base. Many more followed, revealing dozens of ET species and a Rosetta Stone to a new physics, an energy generation and propulsion system responsible for interstellar space travel. This new system could have easily replaced oil, gas, coal, and nuclear plants - and with them, the entire geopolitical and economic order on our planet. But a cabal of bankers, the military-industrial complex, and Big Oil stopped it.

The Aldens have joined a bicycle race! Three days of riding and camping should be fun for everyone. Even Grandfather has joined the race. But right from the word “Go!” things go wrong: misleading road signs by day and collapsing tents by night. Henry’s first flat tire could be bad luck, but three flat tires point to foul play. But who is playing foul - and why? The Boxcar Children are determined to solve the mystery before they cross the finish line.

Join Brandon Alvis and Mustafa Gatollari, stars of the hit A&E television show Ghost Hunters, as they reveal the real story behind six of their most compelling and terrifying investigations. Within these chapters, you will discover the shocking secrets of the Grey Lady at Indianapolis's Athenaeum, a self-manifested haunting at Ohio's Madison Seminary, and the guilt-ridden entity at the Worley Hotel in Pampa, Texas.

Fledgling actress Amelia Grant is at rock bottom when offered the opportunity of a lifetime: to star in a biopic about the world-renowned romance author Gloria Diamond, who used her own tragic love story as inspiration for her bestselling books. To prepare for the role, she’ll spend a week with Gloria at her secluded Washington estate. It’s a chance to get out of LA, away from her cheating ex-boyfriend, and to make her recently deceased mother proud.

In this all-new very special miniseries, the Aldens have been recruited by a secret society to return lost artifacts and treasures to their rightful locations - all around the world! The final leg of the Aldens' journey brings them to South America and to the Salt Flats in northern Argentina. But when they hit a dead end, they realize someone has tricked them in order to delay their plans! Returning to Buenos Aires, the Aldens connect with the Silvertons and are able to get back on track. But it is clear their rivals are closer than ever.

Betrayal cuts deeper than a blade… and this time, it’s personal. In the gripping finale to the DI Zennor trilogy, the Cornwall-based detective and her team face their most perilous challenge yet. When a daring operation unravels a sinister network with ties both local and international, DI Verity Zennor is thrust into a deadly game where trust is a luxury she can no longer afford. As the case takes a devastating twist, Zennor discovers a wicked betrayal that threatens not just her investigation—but the very core of her team. Meanwhile, DS Sam Cartwright is forced to confront a fear ...