'Now it's time for Pig to seek. Can you see a yellow beak?' Pig and Hen are playing hide-and-seek. Can you lift the flaps and help Pig find out where Hen is hiding? Collect all four books in "The Acorn Wood series": "Fox's Socks," "Rabbit's Nap" and "Postman Bear."'Now it's time for Pig to seek. Can you see a yellow beak?' Pig and Hen are playing hide-and-seek. Can you lift the flaps and help Pig find out where Hen is hiding? Collect all four books in "The Acorn Wood series": "Fox's Socks," "Rabbit's Nap" and "Postman Bear."