Download or read book Doctor Who: Knock! Knock! Who's There? Joke Book written by Doctor Who and published by Penguin UK. This book was released on 2020-07-23 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Climb aboard the TARDIS for a journey through space, time, and comedy in the official Doctor Who joke book! -What do we want? -TIME TRAVEL! -When do we want it? -THAT'S IRRELEVANT! Packed with a dimensionally transcendent TARDIS-load amount of jokes, gags and riddles, this is the official Doctor Who joke book! Remember: it's funnier on the inside!