Ellingham Academy must be cursed. Three people are now dead. One, a victim of either a prank gone wrong or a murder. Another, dead by misadventure. And now, an accident in Burlington has claimed another life. All three in the wrong place at the wrong time. All at the exact moment of Stevie's greatest triumph.... She knows who Truly Devious is. She's solved it. The greatest case of the century.

Ellingham Academy is a famous private school in Vermont for the brightest thinkers, inventors, and artists. It was founded by Albert Ellingham, an early 20th century tycoon, who wanted to make a wonderful place full of riddles, twisting pathways, and gardens. "A place", he said, "where learning is a game." Shortly after the school opened, his wife and daughter were kidnapped. The only real clue was a mocking riddle listing methods of murder, signed with the frightening pseudonym "Truly, Devious".

Amateur sleuth Stevie Bell needs a good murder. After catching a killer at her high school, she’s back at home for a normal (that means boring) summer. But then she gets a message from the owner of Sunny Pines, formerly known as Camp Wonder Falls - the site of the notorious unsolved case, the Box in the Woods Murders. Back in 1978, four camp counselors were killed in the woods outside of the town of Barlow Corners, their bodies left in a gruesome display.

Thanks to a DNA test, Avery knows that she’s not a Hawthorne by blood, but clues pile up hinting at a deeper connection to the family than she had ever imagined. As the mystery grows and the plot thickens, Grayson and Jameson, two of the enigmatic and magnetic Hawthorne grandsons, continue to pull Avery in different directions. And there are threats lurking around every corner, as adversaries emerge who will stop at nothing to see Avery out of the picture - by any means necessary. 

Avery Grambs has a plan for a better future: Survive high school, win a scholarship, and get out. But her fortunes change in an instant when billionaire Tobias Hawthorne dies and leaves Avery virtually his entire fortune. The catch? Avery has no idea why - or even who Tobias Hawthorne is. To receive her inheritance, Avery must move into sprawling, secret passage-filled Hawthorne House, where every room bears the old man's touch - and his love of puzzles, riddles, and codes. 

After her near-fatal run-in with the Jack the Ripper copycat, Rory Deveaux has been living in Bristol under the close watch of her parents. So when her therapist suddenly suggests she return to Wexford, Rory jumps at the chance to get back to her friends. But Rory’s brush with the Ripper touched her more than she thought possible: She’s become a human terminus, with the power to eliminate ghosts on contact. She soon finds out that the Shades - the city’s secret ghost-fighting police - are responsible for her return. The Ripper may be gone, but now there is a string of new inexplicable deaths threatening London.

Jamie Watson has always been intrigued by Charlotte Holmes; after all, their great-great-great-grandfathers were one of the most infamous pairs in history. But the Holmes family has always been odd, and Charlotte is no exception. She's inherited Sherlock's volatility and some of his vices - and when Jamie and Charlotte end up at the same Connecticut boarding school, Charlotte makes it clear she's not looking for friends.

Pip is about to head to college, but she is still haunted by the way her last investigation ended. She’s used to online death threats in the wake of her viral true-crime podcast, but she can’t help noticing an anonymous person who keeps asking her: Who will look for you when you’re the one who disappears? 

Seventeen-year-old Cassie is a natural at reading people. Piecing together the tiniest details, she can tell you who you are and what you want. But, it's not a skill that she's ever taken seriously. That is, until the FBI come knocking: they've begun a classified program that uses exceptional teenagers to crack infamous cold cases, and they need Cassie.

Jamie and Charlotte are looking for a winter break reprieve in Sussex after a fall semester that almost got them killed. But nothing about their time off is proving simple, including Holmes and Watson's growing feelings for each other. When Charlotte's beloved uncle Leander goes missing from the Holmes estate - after being oddly private about his latest assignment in a German art forgery ring - the game is afoot once again, and Charlotte throws herself into a search for answers.

Pip is not a detective anymore. With the help of Ravi Singh, she released a true-crime podcast about the murder case they solved together last year. The podcast has gone viral, yet Pip insists her investigating days are behind her. But she will have to break that promise when someone she knows goes missing. Jamie Reynolds has disappeared, on the very same night the town hosted a memorial for the sixth-year anniversary of the deaths of Andie Bell and Sal Singh.

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.

It's been a year since the shocking death of August Moriarty, and Jamie and Charlotte haven't spoken. Jamie is going through the motions at Sherringford, trying to finish his senior year without incident, with a nice girlfriend he can't seem to fall for. Charlotte is on the run, from Lucien Moriarty and from her own mistakes. No one has seen her since that fateful night on the lawn in Sussex - and Charlotte wants it that way. Holmes and Watson may not be looking to reconcile, but when strange things start happening, it's clear that someone wants the team back together.

Charlotte Holmes and Jamie Watson finally have a chance to start over. With all the freedom their precollege summer program provides and no one on their tail, the only mystery they need to solve, once and for all, is what they are to each other. But upon their arrival at Oxford, Charlotte is immediately drawn into a new case: a series of accidents befell the theater program at Oxford last year, culminating in a young woman going missing on the night of a major performance.

At the end of Maureen Johnson's New York Times bestselling novel, The Madness Underneath, Rory, Callum and Boo are reeling from the sudden and tragic death of their friend and squad leader, Stephen. The Shadow Cabinet picks up where listeners left off, and now Rory is convinced there must be a way to bring Stephen back. Meanwhile, new dangers arise: Rory's classmate Charlotte is missing, and Jane and her nefarious organization are clearly planning something big.