Library Mysteries

When Margo Roth Spiegelman beckons Quentin Jacobsen in the middle of the night - dressed like a ninja and plotting an ingenious campaign of revenge - he follows her. Margo’s always planned extravagantly, and, until now, she’s always planned solo. After a lifetime of loving Margo from afar, things are finally looking up for Q...until day breaks and she has vanished. Always an enigma, Margo has now become a mystery. But there are clues. And they’re for Q.

No one has seen cougars in Maine for more than a hundred years. Then, a TV crew starts filming in the woods near Abbi's home, looking for cougars! Abbi, Lydia, and Daniel are curious: could this sly animal have returned to Maine? All clues point to YES!—but something doesn't quite add up.

While visiting her cousin in Australia, Abbi learns that a valuable carved emu egg has been stolen. Who is the thief? Could it be Abbi's aunt who hates the egg? Or the visiting couple who likes to collect rare items? Or. . . is it Abbi's favorite cousin? With the help of her friends, Abbi and her friends, Lydia and Daniel, will crack this case wide open!

When eight-year-old twins Zach and Zoe find out they'll be joining their dad at the Boston Bruins hockey practice, they can't believe their luck. But upon arrival, the Bruins' star player tells the twins he lost his lucky necklace right before the Stanley Cup final, and just like that, the mystery is on. The twins' search takes them all over the arena and even onto the ice. Will Zach and Zoe find the missing necklace in time for the big game?

Murderers, mob bosses, and convicts . . . these guys are not your average neighbors. Unless you live on Alcatraz. It's 1935 and 12-year-old Moose Flanagan and his family have just moved to the infamous island that's home to criminals like notorious escapee Roy Gardner, Machine Gun Kelly, and of course, Al Capone. Now Moose has to try to fit in at his new school, avoid getting caught up in one of the warden's daughter's countless plots, and keep an eye on his sister Natalie, who's not like other kids.

Milly, Aubrey, and Jonah Story are cousins, but they barely know each another, and they've never even met their grandmother. Rich and reclusive, she disinherited their parents before they were born. So when they each receive a letter inviting them to work at her island resort for the summer, they're surprised...and curious.

Once a year, a road appears in the forest. And at the end of it, the ghost of Lucy Gallows beckons. Lucy's game isn't for the faint of heart. If you win, you escape with your life. But if you lose... Sara's sister disappeared one year ago - and only Sara knows where she is. Becca went to find the ghost of Lucy Gallows and is trapped on the road that leads to her. In the sleepy town of Briar Glen, Lucy's road is nothing more than local lore. But Sara knows it's real, and she's going to find it.

To some, the Elites are heroes, here to save innocents in desperate situations. But to the Inquisition Axis, the white-robed soldiers of Kenettra, they are monsters with demonic powers who must be brought to justice. As Adelina learns more about this perilous world where politics and magic clash, she soon realizes that her own powers may be in danger of bringing on an era of panic such as the world has never seen.

Luigi has a knack for games and puzzles. But sometimes it feels like the cards are stacked against him. Until a carnival arrives in town and Luigi gets the chance of a lifetime—the opportunity to work for the world-famous Professor Marvelmous, a dazzling, banana-hat-wearing barker who puts the show in showman! When the carnival closes, Professor Marvelmous leaves behind a mysterious puzzle box along with a clue. A clue that will lead Luigi and his friends on a fantastical treasure hunt to a prize beyond anything they could imagine—if they can find it!

The students of LA’s elite Warner Prep can’t wait for their Senior Excursion—five days of Instagrammable adventure in one of the world’s most exclusive locations. This is not your average field trip. Which is why eight students can’t believe their bad luck when they end up on a digital detox in an isolated Colorado ski chalet. Their epic trip is panning out to be an epic bore . . . until their classmates start dropping in a series of disturbing deaths. The message is clear: this trip is no accident.

Abilene Tucker feels abandoned. Her father has put her on a train, sending her off to live with an old friend for the summer while he works a railroad job. Armed only with a few possessions and her list of universals, Abilene jumps off the train in Manifest, Kansas, aiming to learn about the boy her father once was. Having heard stories about Manifest, Abilene is disappointed to find that it's just a dried-up, worn-out old town. But her disappointment quickly turns to excitement when she discovers a hidden cigar box full of mementos.

Bonnie Montgomery is finally getting a vacation from cracking cases as her alter ego, Montgomery Bonbon. But something terribly fishy happens the moment she and Grampa Banks arrive on Odde Island—and it’s not just the smell of the harbor. There’s been a mysterious death at the lighthouse, and what everyone assumed was an accident is setting Bonbon’s mustache all aquiver: something is Highly Suspicious. When a second death takes place, Bonnie is sure the two are connected. But can she solve this case alone, or will she need double the detectives to solve double the murders?

They call themselves SYLO and they are a secret branch of the U.S. Navy. SYLO's commander, Captain Granger, informs Pemberwick residents that the island has been hit by a lethal virus and must be quarantined. Tucker believes there’s more to SYLO’s story. He was on the sidelines when the high school running back dropped dead with no warning. He saw the bizarre midnight explosion over the ocean, and the mysterious singing aircraft that travel like shadows through the night sky. He tasted the Ruby - and experienced the powers it gave him - for himself.

In the ninth book of the Capital Mysteries—an early chapter book mystery series featuring fun facts and famous sites from Washington, D.C.—KC and Marshall are helping out with the baby tigers at the National Zoo when they meet a new friend, Sunwoo, from China. Sunwoo's father is lending the zoo a precious jewel caled the Tiger's Eye to raise money for endangered tigers. But during the zoo's big party, the lights suddenly go out. And when they're turned back on, the jewel is missing! Who stole the Tiger's Eye?

Twelve-year-old criminal mastermind Artemis Fowl has discovered a world below ground of armed and dangerous—and extremely high-tech—fairies. He kidnaps one of them, Holly Short, and holds her for ransom in an effort to restore his family's fortune. But he may have underestimated the fairies' powers. Is he about to trigger a cross-species war?

Each story in this popular and critically acclaimed series has been read by the talented actor, Victor Garber. Now fans who can't get enough of the vampire bunny, Bunnicula, will have something new to add to their collection.

The marshals are looking for the perfect girl to join a mother, father, and son on the run from the nation's most notorious criminals. After all, the bad guys are searching for a family with one kid, not two, and adding a streetwise girl who knows a little something about hiding things may be just what the marshals need. Nicki swears she can keep the Trevor family safe, but to do so she'll have to dodge hit men, cyberbullies, and the specter of standardized testing, all while maintaining her marshal-mandated B-minus average.

It's time for one last fantabulous challenge with Mr. Lemoncello—the world's most famous gamemaker! This time everything is on the line—literally! Mr. Lemoncello has invited thirteen lucky 13 year-olds—including his biggest fan, Kyle Keeley—to compete in the final games. The winner of these games will become the new owner of Mr. Lemoncello's ENTIRE GAME MAKING EMPIRE!!! But uh-oh—someone is trying to destroy Mr. Lemoncello empire and all it stands for: imagination, games, books . . . knowledge! Can Kyle Keeley stop them and make his dreams come true?

In the fourth book of the Capital Mysteries—an early chapter book mystery series featuring fun facts and famous sites from Washington, D.C.—KC's mom is getting married...to the President of the United States! KC wants the day to be perfect, but someone keeps leaking wedding secrets. They newspapers have even printed where the president and his bride are going on their honeymoon. To save the wedding, KC and Marshall have to track down the spy in the White House!

For all of Kat’s life, it’s just been her and her mother, Jamie—except for the forty-eight hours when Jamie was married and Kat had a stepbrother, Liam. That all ended in an epic divorce, and Kat and Liam haven’t spoken since. Now Jamie is a jewel thief trying to go straight, but she has one last job—at billionaire Ross Sutherland’s birthday party. And Kat has figured out a way to tag along. What Kat doesn’t know, though, is that there are two surprise guests at the dazzling Sutherland compound that weekend. The last two people she wants to run into.