After years in foster care, April gets to live in a mansion where she and four other children are caught up in a mystery related to a missing heir, a lost legacy, and the Phantom.

Amateur investigator Alden Ross thinks he witnessed a murder, but when the victim shows up alive, he must figure out what he could have seen and what the school's most popular couple is hiding.

"A seventeen-year-old girl jumps between the lines of books and into the white space where realities are created and destroyed--but who may herself be nothing more than a character written into being from an alternative universe"--

"Fifteen-year-old Dan Hogg gets a job as a hotdog mascot at a food fair and finds himself caught up in another action-packed mystery"--Unedited summary from book.

After tragic events tear Mickey Bolitar away from his parents, he is forced to live with his estranged Uncle Myron and switch high schools, where he finds both friends and enemies, but when his new new girlfriend, Ashley, vanishes, he follows her trail into a seedy underworld that reveals she is not what she seems to be.

"When a famous forensic scientist turns up dead and Ruby's father becomes the prime suspect, Ruby must marshal everyone she can to help solve the mystery and prove her father didn't poison his boss"--

Seventeen-year-old Evie O'Neill is thrilled when she is exiled from small-town Ohio to New York City in 1926, even when a rash of occult-based murders thrusts Evie and her uncle, curator of The Museum of American Folklore, Superstition, and the Occult, into the thick of the investigation.

Charlotte's dream of a summer writing workshop in Venice with her favorite author brings the chance to investigate the mysterious poet in her family's past, meet fascinating new people, and learn truths about her idol.

When Stevie Bell is finally able to return to Ellingham Academy after identifying the culprit in the murder of a classmate, she begins to wonder if the case was really resolved and attempts to uncover the truth about the school's founder. Stevie Bell seemed to be on the cusp of the decades-old kidnapping and murder of Albert Ellingham's family. But a classmate's murder-- which Stevie solved-- convinced her parents to pull her out of Ellingham Academy....

"Sixteen-year-old Tandy Angel moves to Paris for a fresh start with her siblings and to be reunited with James, her lost love, but her detective work soon uncovers long-buried family secrets that threaten to destroy her life"--