Jon, Tania, and the Haunted crew are in New York City for a costume party at the Metropolitan Museum of Art. Among the fancy masks and disguises is the ghost of a 16th-century French squire who is determined to protect his sword--one of the museum's newest exhibits.

M. M. Eboch has written numerous books for young people and was the author of the COFA about Jesse Owens. She lives in New Mexico.