Possible Clues:

• Gin cocktail
• Publisher of the official Scrabble wordlist
• Novelist making change, inserting lines
• Wilkie ---, novelist; Mr ---, fancied Eliza Bennet
• Tom --- (cocktail)
• Tall order at the bar
• Apollo 11 astronaut
• Harper —, UK publisher
• The Big Fella
• Two pounds in hard cash for 'The Moonstone' author