Showing titles in Mystery & Suspense

On a desperate journey to recover her sister's lost soul, Valkyrie Cain goes up against the High Sanctuary itself, and there's nothing Skulduggery Pleasant can do to stop her. With Abyssinia's grand plan about to kick off in a night of magic, terror, and bloodshed, it falls to Omen Darkly to save the lives of thousands of innocent people. And as the madness unfolds around him, as hidden enemies step into the light, and as Valkyrie is sucked into a desperate, lawless quest of her own, he has no choice but to become the hero he never really wanted to be - or die in the attempt.

Ever since MI6 recognised his potential, Alex Rider has constantly been thrust into the line of danger. From a routine visit to the dentist that turns into a chase through the streets of London, to a school trip with a deadly twist, no day has ever been ordinary for the teenage super-spy. This collection of thrilling adventures features familiar and new assailants from the best loved world of Alex Rider and also includes three never-before-heard stories.

The Chicken Squad is back for their fourth (mis)adventure, and this time they're facing their darkest mystery yet: shadows!

Henry, Jessie, Violet, and Benny are off to the rain forests of Sumatra, where a protected piece of land is home to endangered animals such as orangutans, elephants, and tigers. But when part of the forest gets cut down, the Aldens have to figure out who is responsible, not only to protect the rain forest, but also the animals within.

It's Christmas, but leave it to Sammy Keyes to find trouble even in the midst of the holiday parade. Trying to help a friend, she reluctantly volunteers on the Canine Calendar float, only to have the famous cover dog dog-napped on her watch! The animal's owner orders Sammy to find the dog before the $50,000 ransom being demanded comes due.

Trapped in Aunt Saffronia’s spectral house, Theo and Alexander must work together to escape, stop their newfound nemesis Essa and her henchman Edgaren’t, save Wil and their friends, find their parents, and maybe, just maybe, get things back to normal. Following the clues left behind, the twins find themselves at Siren’s Song Seaside Amusement Park. Old faces and new surprises await them in a park that was built to lure in visitors…and their secrets.

Mudshark is cool. He’s the go-to guy with the answers, and the mudshark Detective Agency is always on the case. At least, it is until the Psychic Parrot takes up residence in the school library. The word in school is that the parrot can out- think Mudshark. And right now, the school needs someone who’s good at solving problems. There’s an escaped gerbil running the halls’ a near-nuclear emergency in the faculty restroom, and an unexplained phenomenon involving disappearing erasers. Once Mudshark solves the mystery of the erasers, he plans to investigate the Psychic Parrot….

A lovable dog helps his human girl solve a mystery. Kayla and Mason both got mysterious letters, written in code. What does Kayla know? The same person left both letters. It's someone she and Mason both know. The two letters are the same, except for the second word. What does King know? Jillian left the letters. What do the letters say?

Together, Charlie and Frog set out to decipher a series of clues and uncover the truth behind a missing woman's mysterious message. Charlie needs to learn American Sign Language (fast) to keep up with quick-witted Frog. And Frog needs to gather her detective know-how (now) to break the case before it's too late.

In a fading town, far from anyone he knew or trusted, a young Lemony Snicket began his apprenticeship in an organization nobody knows about. He started by asking questions that shouldn't have been on his mind. Now he has written an account that should not be published, in four volumes that shouldn't be read. This is the first volume.

When the old woman died, she left her grandchild Nancy with the extraordinary gift of magic. Nancy can read people's minds, know their thoughts, and make them do what she wants. Will she use her gift for good, or satisfy her own selfish desire? Lois Duncan presents a paranormal rollercoaster ride with goose bumps at every turn.

Jack is an ordinary kid who becomes a secret agent by night, thwarting evil all over the world as he searches for his missing brother, Max. Destination: United States. An eager young scientist has brought to life a dangerous flesh-eating dinosaur by crossing its DNA with that of his pet dog, Freddie. Can Secret Agent Jack Stalwart capture the dinosaur before it destroys New York City?

Luke Garner has spent his entire life - all 12 years - in hiding. The government has outlawed families with more than two children. As the Garners' third child, Luke's very life is in danger. When Luke meets Jen, another "shadow child," he begins to question the government's policies.

Middle school is hard. Solving cases for the FBI is even harder. Doing both at the same time - well that's just crazy. But that doesn't stop Florian Bates! After helping the FBI solve an art theft at the National Gallery and uncovering a DC spy ring, Florian's finding life at Alice Deal Middle School a little boring. But that's all about to change! His FBI handler, Marcus, has a job for him! Is it a bank robbery? Counterfeit ring? International espionage? Actually it's middle school pranks...

Ka-boom! Awakened by an attack from an invisible enemy, Hank the Cowdog knows that there's only one thing for him to do - get inside the house and make sure that his family is safe. But when he arrives, Hank learns that the house is in the path of a swirling killer tornado!

CHERUB exists for the simplest of reasons: even a master criminal doesn't suspect that the kid next door is a spy. When CHERUB uncovers a link between eco-terrorist group Help Earth and a wealthy religious cult known as The Survivors, James Adams is sent to Australia on an infiltration mission. It's his toughest job so far. The Survivors' outback headquarters are completely isolated, and the cult's brainwashing techniques mean James is under massive pressure to conform. This time he's not just fighting terrorists.

The Alden family is spending sunny days at the shore and summer nights in the mobile home right on the beach! One morning Benny finds a gold necklace in the sand, and a search for its owner begins a trail of clues that leads to Tower House, the strange old mansion nearby. What will the Boxcar Children find there?

Recently recruited and trained as a special agent by MI6, the British secret service, 14-year-old West Londoner Alex Rider is sent to infiltrate an ultra-private school where the rich and powerful send their uncontrollable, rebellious sons. What he discovers in the mountaintop fortress of the campus are enough armed guards to repel an invasion-and new classmates who have become eerie copies of each other in their compliant attitudes and actions. This fast-paced yarn delivers technological wizardry and James Bond-like action.

It was only a few days ago that Tess Biedermann, Theo Biedermann, and Jaime Cruz, along with a mysterious figure from the past, managed to survive an assault on the location of the latest clue in the Morningstarr cipher - and, in the process, made a shocking discovery about their own connection to this 160-year-old enigma. Now the friends are divided. Tess and Theo have no idea what the photo they found in Greenwood Cemetery means, but Jaime is convinced that they do, and that they've been keeping their own secrets from him.

After a sailing ship breaks up on the rocks off Washington's storm-tossed Cape Flattery, Nathan MacAllister, the 14-year-old son of the lighthouse keeper, refuses to believe the authorities, who say there were no survivors. Unexplained footprints on a desolate beach, a theft at the trading post, and glimpses of a wild "hairy man" convince Nathan that someone is hiding in the remote sea caves along the coast.