Related Clues:

• Weighty read
• Weighty volume
• Weighty work
• Substantial volume
• It may need a big jacket
• Scholarly volume
• Heavy text
• 'Give it ___ straight'
• 'The way I see it …'
• Huge volume
• Thick reference book, e.g.
• Great volume
• Heavy volume
• Massive volume
• A lot of volume?