Echo Ridge is small-town America. Ellery's never been there, but she's heard all about it. Her aunt went missing there at age 17. And only five years ago, a homecoming queen put the town on the map when she was killed. Now, Ellery has to move there to live with a grandmother she barely knows. The town is picture-perfect, but it's hiding secrets. And before school even begins for Ellery, someone has declared open season on homecoming, promising to make it as dangerous as it was five years ago. Then, almost as if to prove it, another girl goes missing.

In December 1926, Agatha Christie goes missing. Investigators find her empty car on the edge of a deep, gloomy pond, the only clues some tire tracks nearby and a fur coat left in the car - strange for a frigid night. Her World War I veteran husband and her daughter have no knowledge of her whereabouts, and England unleashes an unprecedented manhunt to find the up-and-coming mystery author. Eleven days later, she reappears, just as mysteriously as she disappeared, claiming amnesia and providing no explanations for her time away. 

After their parents divorced, 10-year-old twins Ivy and Iris were split up - Ivy lived with Dad, Iris with Mom. Now, after a tragic accident takes their mom's life, the twins are reunited and Iris moves in with Ivy and their dad. Devastated over Mom's death, Iris spends the first few weeks in almost total silence - the only person she will speak to is Ivy. Iris feels her life is over and she doesn't know what to do. Ivy promises her twin that she can share her life now. After all, they're sisters. Twins.

There are ghosts around every corner in Fayette, Pennsylvania. Tessa left when she was nine and has been trying ever since not to think about it after what happened there that last summer. Memories of things so dark will burn themselves into your mind if you let them. Callie never left. She moved to another house, so she doesn't have to walk those same halls, but then Callie always was the stronger one.

OCD-afflicted Griffin has just lost his first love, Theo, in a drowning accident. In an attempt to hold on to every piece of the past, he forges a friendship with Theo's last boyfriend, Jackson. When Jackson begins to exhibit signs of guilt, Griffin suspects he's hiding something and will stop at nothing to get to the truth about Theo's death. But as the grieving pair grows closer, listeners will question Griffin's own version of the truth - in terms of both what he's willing to hide and what true love means.

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".

Ever since Cass almost drowned (okay, she did drown, but she doesn't like to think about it), she can pull back the Veil that separates the living from the dead...and enter the world of spirits. Her best friend is even a ghost. So things are already pretty strange. But they're about to get much stranger. When Cass's parents start hosting a TV show about the world's most haunted places, the family heads off to Edinburgh, Scotland. Here, graveyards, castles, and secret passageways teem with restless phantoms. And then Cass meets a girl who shares her "gift"....

Monday Charles is missing, and only Claudia seems to notice. Claudia and Monday have always been inseparable - more sisters than friends. So when Monday doesn’t turn up for the first day of school, Claudia’s worried. When she doesn’t show for the second day, or second week, Claudia knows that something is wrong. As Claudia digs deeper into her friend’s disappearance, she discovers that no one seems to remember the last time they saw Monday. How can a teenage girl just vanish without anyone noticing that she’s gone?

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. 

Vernell LaQuan Banks and Justyce McAllister grew up a block apart in the Southwest Atlanta neighborhood of Wynwood Heights. Years later, though, Justyce walks the illustrious halls of Yale University, and Quan sits behind bars at the Fulton Regional Youth Detention Center. Through a series of flashbacks, vignettes, and letters to Justyce - the protagonist of Dear Martin - Quan's story takes form.