After fleeing from some mysterious customers at his grandmother's yard sale, Olivier finds himself in the Dark Woods with his pen-pal Murray, and faces a startling group of characters.
When Olivier uncovers an unusual book filled with arcane and fascinating information, he realizes the book is alive and filled with strange things that lead Olivier on a grand adventure.
Young Olivier investigates the possibility that his new step-grandmother is a witch when he visits her and his grandfather at their very unusual abode, Cat's Eye Corner.