Related Clues:

• Understudy
• Book left on the bench?
• Bank book
• Protected wildlife area
• One on bench taking top off bottle
• Coolness of one that hasn't made the team
• Keep back, quietly avoiding jam
• Book is in stock
• Join up again in detachment
• Book having to do with verse-composition
• Book; store
• Start play again with a substitute
• Book's restraint
• Book, though it's just a formality
• Book written by husband