Related Clues:

• A large and scholarly book
• Huge reference book
• Heavy reference book
• Voluminous work
• Big, heavy books
• Heavy work, from my perspective
• Book with a wide spine
• Ones with wide spines
• Those around the borders to come home, by the book
• 'Gray's Anatomy,' for one
• "Gray's Anatomy," for one
• Large reference volume
• Large and scholarly books
• Erudite volume
• Gutenberg's Bible, e.g