Johnny Dixon and Professor Childermass series

"Living with his grandparents gives Johnny Dixon a lot of time to find trouble. Or adventure. Or is it both? In this, the first Johnny Dixon mystery, our young hero hears the spine-tingling story of Father Baart, a madman who haunts the town's church. At first, Johnny does not believe in ghosts, but when he takes a scroll and a small Egyptian figurine from the church basement, all that changes. Soon, a mysterious stranger gives him a ring, and Johnny...

Johnny Dixon and Professor Childermass are visiting a New Hampshire inn, and inside that inn is a clock. It s called the Childermass Clock. Inside the clock there is a tiny dollhouse room, an exact replica of the professor s childhood home. And on one of the shelves in that tiny room is a tiny skull. Inside that skull is something evil. In this third Johnny Dixon mystery, Johnny takes the skull to try to solve the murder of the professor s granduncle,...

Decades ago, Evaristus Sloane invented a baseball-playing robot. It could pitch a fastball at a hundred and ten miles per hour, but it also had big, vacant, blue glass eyes that gave Johnny Dixon's grandpa the willies. Now, fifty years later, in the fifth book of the Johnny Dixon mystery series, Johnny's friend Professor Childermass puts the robot back together. It's only after he puts its chilling eyes back in their sockets that the professor realizes...

Johnny Dixon, Fergie and Professor Childermass comply with a strange will left by the Professor's brother, which requires them to spend the summer at a desolate estate where they encounter a madman bent on destroying the world.

When thirteen-year-old Johnny Dixon and his friend Professor Childermass try to save the life of the elderly Dr. Coote, they find themselves facing the forces of a menacing voodoo cult.

One dark, drippy day, when Byron "Fergie" Ferguson gets bored, he wonders what the last book in the library is. What he finds past the last set of shelves is a battered black cover with the Dewey decimal number 99.99S and a title as red as blood-The Book of True Wishes by Jarmyn Thanatos. Even though Fergie is a good kid, he steals the book, setting off a chain of sinister events that threaten not only his life but the lives of his friends Johnny...