Possible Clues:

• Bookish drunk, discontented revolutionary concealing age
• Three-quarters of learned people took lines from books
• Sort of retail lines that are bookish?
• Associated with formal writing
• Booking, perhaps, I try and get real
• Scholarly author's last to be taken in by false reality
• In books, it rarely needs editing
• Came down before time with lines learned
• The scholastic rarely contrive to conceal it
• Re writings