The Hardy brothers' visiting Greek pen pal enlists their help in searching for a priceless ancient Greek helmet loaned to and lost by a Hollywood movie company years before.

In 1929 New York City, twelve-year-old housemaid Martha O'Doyle suspects that a wealthy recluse may be trying to communicate with the outside world through the paintings on her gallery walls.

The Thea Sisters help their friend Beatrice prepare for the Summer Olympics!

Mr. Quisling is definitely up to something mysterious, and Emily and James are on high alert. First, there's the coded note he drops at a book event. Then Emily and James uncover a trail of encrypted messages in books by Mark Twain hidden through Book Scavenger. What is most suspicious is that each hidden book triggers an arson.

Sabrina Grimm--along with her grandmother, sister, and several fairy-tale characters--tries to discover who has kidnapped her parents and looks for a way to rescue them.

"Anthony, George, and Lucy investigate new hauntings, track down assassins, and a new assistant joins Lockwood & Co"--

Makayla and Liam have discovered the missing girl is named Jo Ann. She is trapped in another dimension. The twins want to save her. Through the Magic 8 Ball, she tells them how to get there. It looks dangerous, but can they resist?--Provided by Publisher.

Of all the mysteries Hank has faced in his illustrious career as the Head of Ranch Security, the only one that still has him truly stumped is the key to unlocking Miss Beulah's heart. Why on earth would she go for a bird-brained bird dog when a specimen like Hank stands ready to sweep her off her feet? Could there be more to this problem than meets the eye? When Plato wanders off Billy's ranch and Beulah discovers he's lost, she tries to enlist Hank's...

"Makayla and Liam Park have just moved into Deadwood Hill. While the house is new to them, a witch lived on that exact spot centuries ago. Liam discovers a Magic 8 Ball in the attic that knows things it shouldn't. Is it helpful or haunted? Cannot predict now!"--Page [4] od cover.

"A fictional account of eleven-year-old Viviani Joffre Fedeler, who was born and raised in the New York Public Library, and her older brothers and best friend Eva, who all try and find out if the library is haunted."--