Possible Clues:

• Turns up, source of illumination about first race is produced as publicity for the bookmaker
• Promotional quote on a book jacket
• Confused impression given by book publisher's commendatory comments
• Short book description
• Promotional words on a book jacket
• Short promotional description
• Something indistinct and black that may be on book's cover
• Snivel about Republican endorsement
• Information on jacket smear, black
• Obscure book gets the usual spiel on the cover