The Jolly Pocket Postman by Allan Ahlberg (UK edition, hardcover) - 9780670886265

Once more the Jolly Postman rides - and flies - and shrinks! The Jolly Postman is setting off on his third adventure. . . but nothing goes quite to plan when he suffers a bump to the head, and shrinks to the size of a postage stamp! And from then it just gets curiouser and curiouser. . . Featuring a whole host of familiar characters and of course, beautiful pull-out letters and a magnifying glass, The Jolly Pocket Postman is the third story in the bestselling and award-winning series by Janet and Alan Ahlberg.