Related Clues:

• Large scholarly books
• After tea there's come confusion in volume form
• How motes may be measured by volume
• Books about a thousand going on foot
• Just long ones there by volume
• Weighty reading
• Very big books
• Learned works
• Heavy literature
• Books from the paper one found to be old
• Books like "War and Peace"
• Big volumes
• Volumes shown by millions in digits
• Reference library array
• Weighty volumes