Melody Bird is fascinated by the walled off "plague" house she discovered near the the graveyard, but she is even more fascinated by the mysterious boy, Hal, she finds living there in secret; he tells her he is a spy-in-training, a story that Melody's friends Matthew and Jake do not believe, and they set out to find out more--and uncover a riddle even more confusing than Hal's spy story.

Percy Jackson is about to be kicked out of boarding school...again. And that's the least of his troubles. Lately, mythological monsters and the gods of Mount Olympus seem to be walking straight out of the pages of Percy's Greek mythology textbook and into his life. And worse, he's angered a few of them. Zeus's master lightning bolt has been stolen, and Percy is the prime suspect. Now Percy and his friends have just ten days to find and return Zeus's...

Ronan, fifteen, the youngest and lowliest recruit to Ireland's secret Garda, faces untold danger from the wee people while trying to prove his imprisoned parents were framed.

Ellingham Academy must be cursed. Three people are now dead. But Stevie knows who Truly Devious is. Then a massive storm heads toward Vermont. This is too much for the parents and administrators. Ellingham Academy is evacuated. Obviously, it's time for Stevie to do something stupid. It's time to stay on the mountain and face the storm, and a murderer.

Ami Oswald and her four escape room challenge teammates realize the danger in the rooms is very real and they must solve the mysterious riddle the Host has given them before it is too late.

"Norwich is riddled with old chalk-mining tunnels, but no one's sure exactly how many. When Ruth is called in to investigate a set of human remains found in one of them, she notices the bones are almost translucent, a sign they were boiled soon after death. Once more, she finds herself at the helm of a murder investigation. Meanwhile, DCI Nelson is hunting for a missing homeless woman, Barbara, who he hears has gone "underground." Could she have disappeared...

Emily Benedict came to Mullaby, North Carolina, hoping to solve at least some of the riddles surrounding her mother's life. But the moment Emily enters the house where her mother grew up and meets the grandfather she never knew--a reclusive, real-life gentle giant--she realizes that mysteries aren't solved in Mullaby, they're a way of life.

Explores the history of Halloween from the holiday's Celtic origins over 2000 years ago to present-day celebrations, and provides spooky riddles and ideas for pumpkin art.