Related Clues:

• Webster's Unabridged, e.g.
• Library book
• A-E, maybe
• Hefty volume
• Some scholarly works
• Weighty books
• Thick reference book
• Volumes
• Large volume
• Unabridged dictionary, e.g.
• Webster's 3rd, e.g.
• ''Sock it ---!''
• Heavy book
• It might need two hands to be removed from a shelf
• Big reference volume