DUKE CRAIG, TEN YEARS A PRO FOOTBALL STAR, is thirty-one. His body aches, his marriage is a mess but he still loves to win. He is clean-living, clean-thinking--and singleminded---a much admired hero of the football world. His teammates and next Sunday's game come first. Then he meets another woman.
Books can be attributed to "Unknown" when the author or editor (as applicable) is not known and cannot be discovered. If at all possible, list at least one actual author or editor for a book instead of using "Unknown".
Books whose authorship is purposefully withheld should be attributed instead to Anonymous.