101 Knock Knock Jokes

<p><em><strong>Knock knock</strong>.  Who's there?<strong>Radio</strong>.  Radio who?<strong>Radio not here comes a lot of funny jokes!</strong></em></p><p>The bestselling jokesters The Hennessy Kids are back again to make you laugh - now with their first book of knock knock jokes!</p><p>Knock on all your family & friends' doors and share this great collection of jokes with them so you can all enjoy laughing & groaning together for a fun time.</p><p>The Hennessy Kids are authors of the bestselling joke books <strong><em>101 Halloween Jokes</em></strong> <strong><em>101 Christmas Jokes</em></strong> and <strong><em>101 Pet Jokes</em></strong>.</p>