Jane Thayer is the author of The Mouse on the Fourteenth Floor (1977), Weekly Reader Children's Book Club Presents Gus and the Baby Ghost (1972), Quiet on Account of Dinosaur ... Pictures by Seymour Fleishman (1965), Assessing Participation in the Spiritual Development Modes (1996), Gus was a Christmas Ghost. Pictures by Seymour Fleisham (1973).