The Anubis Tapestry Book 1 - Between Twilights
When a mummy's curse condemns Dr. George Henry's spirit to the Egyptian Underworld, his son Chance must try to free him. But Chance risks becoming a mummy himself when he binds himself in the wrappings of the mysterious Anubis Tapestry. Led by a comical creature named Blixx, Chance plumbs the depths of the Underworld and encounters a variety of horrible monsters. If Chance can't return by twilight, he and Blixx will be trapped forever in the dead's domain!