- Difficult Riddles For Smart Kids: 300 Difficult Riddles And Brain Teasers Families Will Love
- Math Riddles For Smart Kids: Math Riddles And Brain Teasers That Kids And Families Will love: Volume 2
- Difficult Riddles for Smart Kids 2: Another 300 Riddles & Brain Teasers that Kids and Families will Love (Books for Smart Kids Book 5)
- Difficult Logic Puzzles for Smart Kids: 150 Brainteasers and Puzzles the Whole Family will Love (Books for Smart Kids Series) (Volume 4)
- The Big Book of Quotes: Funny, Inspirational and Motivational Quotes on Life, Love and Much Else