- Libro electrónicoKaren's Logic Thinking Puzzles - Lateral Thinking Riddles And Brain Teasers For All AgesKaren J. Bun
- Libro electrónicoKaren's Riddles For Kids - Trick Questions And Fun Facts For The Young OnesKaren J. Bun
- Libro electrónicoKaren's Lateral Thinking Puzzles - The Next Level Riddle And Logic Game Book For Adults Who Wants To Give Their Brain A Good WorkoutKaren J. Bun
- Libro electrónicoKaren's Brain Teasers Riddles, Lateral Thinking And Logic Puzzles That Destroy Brain CellsKaren J. Bun
- Libro electrónicoThe Ultimate Brain Game Collection - 3 Manuscripts In A Book, 67 Lateral Thinking + Logic Thinking Puzzles + "What Am I?" RiddlesKaren J. Bun
- Libro electrónicoKaren's "What Am I?" RiddlesKaren J. Bun
- Libro electrónico67 Lateral Thinking Puzzles And The King Of Riddles - The 2 Books Compilation Set Of Games And Riddles To Build Brain CellsKaren J. Bun
- Libro electrónicoKaren's LOL Jokes Collection - The 2 Books Compilation Set For KidsKaren J. Bun
- Libro electrónicoKnock Knock Jokes Collection - The 2 Books Compilation Set For KidsKaren J. Bun