Still recovering from his encounter with Rick Doheny, Dan feels someone is watching him and worries about odd occurrences at the Eckert House museum as he, Pete, and Shelby work to solve a mystery involving a strange box.

Originally published: Englewood Cliffs, N.J.: Prentice-Hall, c1984.

Book #11 of the Jab Boone Murder Mystery Series A dying ex-GI, known as The Doorman, is killing American Indian brujos and shaman. He's holed up deep under the Owyhee Mountains, and he has booby-trapped every entrance with explosives. Jab's team discovers his hide-out- only to become The Doorman's prisoners themselves!

Open the chest's secret compartment to reveal a brush and ink set and instructions for making Chinese characters, I Ching coins used to tell the future, a Chinese fan to decorate, plus charts, stickers, and more.

Miss Alma, the formidable caretaker of Eckert House, lets Dan open an ancient Chinese puzzle. When it's reassembled, he finds a secret compartment with a clue about another treasure.