Meet the Sinister-Winterbottoms: brave Theo, her timid twin, Alexander, and their older sister, Wil. They're stuck for the summer with their Aunt Saffronia, who doesn't know how often chidren need to eat and can't use a smartphone, and whose feet never quite seem to touch the floor when she glides--er--walks. When Aunt Saffronia suggests a week pass to the Fathoms of Fun Waterpark, they hastily agree.But the park is even stranger than Aunt Saffronia....

When otherworldly forces descend on their town of Whispering Pines, conspiracy theorist Rae, who's searching for her lost father, and Caden, who's haunted by the ghost of his brother, must band together to save their home.

Middie Daniels is torn between the memory of her missing boyfriend, Nate, and Nate's brooding best friend Lee. --Publisher

Rumors spread that Tobias Hawthorne's lost son may still be alive, casting doubt on seventeen-year-old Avery's inheritance and changing the rules of the game.

After a chance encounter with an injured boy, Winter Crane questions if all the teenagers who left her town did so voluntarily.

Twelve-year-old Abigail is shocked to discover her elite boarding school is really a cover for a huge spy ring, and must undergo Spy Training 101 in order to save her mother, who happens to be the spy ring's top agent.

Deep in the mountains of Colorado lies the Inn at Havenfall, a sanctuary that connects ancient worlds-- each with their own magic. For generations the inn has protected all who seek refuge within its walls, and any who disrupt the peace can never return. For Maddie Morrow, summers at the inn are an escape from reality, where her mother sits on death row accused of murdering Maddie's brother. It's where Maddie fell in love with handsome Fiorden soldier...

Seventeen-year-old Payton Brave is desperate to uncover what happened to her twin sister, who disappeared one year ago. As she begins to question everything around her, Payton becomes caught in a mystery that goes deeper than she ever imagined.

Flynn's girlfriend is missing, and people are suspecting him of knowing something, so he struggles to uncover her secrets as he must also face the truth about himself.

In late nineteenth-century London, fourteen-year-old Enola Holmes, much younger sister of detective Sherlock Holmes, turns to Florence Nightingale for help when her investigation into the disappearance of a Crimean War widow grows cold.