More than a hundred of funny and silly knock knock jokes under the sun that will surely make kids and adults laugh.Jokes such as:Knock, knockWho's there?Black.Black who?Stay here. I'll be black!Knock, knockWho's there?Blue.Blue who?Blue your nose!And many more.Get this book for free using Kindle Unlimited by selecting 'Read for Free."You do not need to have a Kindle device to read this book for free.You can read them for free by downloading a Kindle app on your phone, tablet or PC/Mac.You won't regret getting this funny and silly knock knock jokes for kids and adults. A good book to read and give as a gift for kids. Every kids would enjoy a good knock knock joke.