When Grandpa's cracker won't go bang, the whole family goes BARKING MAD as they all compete to pull Grandpa's treat. But the more they help, the more Grandpa yelps and the crazier Christmas becomes.Who in the room will make it kaboom? Find out in this rib-tickling rhyming picture book from best-selling children's author Becci Murray.Share Grandpa's Cracker Won't Go Bang with the wonderful grandparents in your life, and make some marvellously giggletastic memories today!