Chapter 1: Knock-Knock Jokes:

1. Knock-Knock!
    Who's there?
    Little old lady!
    Little old Lady who?
    Hey! I didn't know you could yodel!


2.Knock-Knock!
   Who's there?
   Police!
   Police who?
  Police let me in! It's cold out here!

3. Knock-Knock!
    Who's there?
    Banana!
    Banana who?
    Knock-Knock!
    Who's there?
    Banana!
    Banana who?
    Knock-Knock!
    Who's there?
    Banana!
    Banana who?
    Knock-Knock!
    Who's there?
    Orange!
    Orange who?!
    Orange you glad I didn't say "Banana"?

4. Knock-Knock!
    Who's there?
    Boo!
    Boo who?
    Why are you crying? It's only a knock-knock joke!

5.Knock-Knock!
  Who's there?
   Abe Lincoln.
  Abe Lincoln who?
  Don't you know me?

6.Knock-Knock!
  Who's there?
  Thomas Jefferson!
  Thomas Jefferson who?
  Was Abe Lincoln just here?

7. Knock-Knock!
    Who's there?
    Hawaii.
    Hawaii who?
    I'm fine, Hawaii you?

8. Knock-Knock!
    Who's there?
    Aware.
    Aware who?
    Aware, aware has my little dog gone?

9. Knock-knock!
    Who's there?
    Radio!
    Radio who?
    Radio not, here I come!

10. Knock-knock!
      Who's there?
      Howard!
      Howard who?
      Howard you like to stand out in the cold while somebody says "Who's there"?