Diana Urban

A juicy thriller of jealousy, love, and betrayal set on a Semester at Sea-inspired cruise ship, with a diverse cast of delightfully suspicious characters who’ll leave you guessing with every jaw-dropping twist. After being jilted by her ex-boyfriend and best friend, Jade couldn't be more ready...

When Crystal Donavan gets a message on a mysterious app with a picture of her little sister gagged and bound, she agrees to play the kidnapper’s game. At first, they make her complete bizarre tasks....

A thrilling debut, reminiscent of new fan favorites like One of Us Is Lying and the beloved classics by Agatha Christie, that will leave readers guessing until the explosive ending. “Welcome to dinner, and again, congratulations on being selected. Now you must do the selecting.” What do...

An epic survival-thriller about four teens who get lost in the Paris catacombs for days—a gripping and propulsive story of love, danger, betrayal, and hope… even when all seems lost. "Tense and fast-moving, with a unique setting and compelling characters, Under the Surface is Diana...