The Ha Ha Bonk Book by Janet and Allan Ahlberg is jam-packed with brilliant jokes!This Young Puffin joke book is full of good jokes to tell your dad, mum, your baby brother, your teacher and anybody else you can think of, such as: What goes ha ha bonk? A man laughing his head off.andWhat goes 99 bonk? A centipede with a wooden legandWhat goes putt, putt, putt, putt, putt, putt, putt, putt?A bad golferand lots more besides. . . Allan Ahlberg - a former teacher, postman, plumber's mate and gravedigger - is in the super-league of children's writers with sales exceeding 17 million and library borrowings of 13 million. In collaboration with his late wife, Janet, he has published many enduring titles, among them Each Peach Pear Plum, Peepo!, Burglar Bill and The Jolly Postman. In addition he has written novels, collections of stories, sets of easy-readers and joke books.