Related Clues:

• 'Your table's ready' signaler
• "Your table's ready" summoning device
• 'Your table is ready' device, often
• Part of the book has writing that draws attention to The Messenger
• On-call device
• 'Your table's ready' gadget
• On opening, promoted communications device
• 'Your table's ready' gizmo
• "Your table's ready" gizmo
• Signaller fermented grape
• Beeper, old-school
• A resident might carry one
• Cellphone forerunner
• Publicity about period radio device
• Pocketed by OAP, age-related communications device