- Karen's Knock Knock Jokes for Kids: The Unbreakable Door That No One Ever Got Past
- Karen's Dad Jokes: The Bad, Funny, Clean and Lol Jokes for the Cool Dad
- Karen's Brain Teasers: Riddles, Lateral Thinking and Logic Puzzles That Destroy Brain Cells
- Karen's Lol Jokes Collection: The 2 Joke Books Compilation for Kids
- Karen's "What Am I?" Riddles: The Challenging Riddle Book That Will Arouse Brain Cells









