Possible Clues:

• Author wanting name inserted between front and back of cover
• Writer whose output once shed some light
• Candlemaker caught coach
• 'Raymond ..., US thriller writer (8)'
• Name in credit as thriller-writer
• He should be able to hold a candle to most crime writers
• Dealer producing clubs a second later
• He might trade in candles for something for a door, in chromium
• Author of Philip Marlowe thrillers, d.1959
• See 21