Possible Clues:

• Book is nothing after a couple of pints
• Volume finished with old size of paper
• Volume associated with circle equals size associated with volume
• Measure round size of paper
• Crystalline mineral reduced, alongside old book of a certain size
• As end of chapter, closed book
• Size of page
• Opens questioning under oath about crafty type - that's a measure of The Paper
• Pinto and pinto in book size
• Pamphlet size