معماهای ذهنی: جوک‌های ناک ناک

**Knock knock! Who's there? Ivan. Ivan who? Ivan to tell you the best knock knock jokes you have ever heard!** Packed with over 300 jokes, this collection of classic gags will have young readers rolling on the floor with laughter. Perfect for sharing friends, family and even teachers, these jokes will leave people knocking for more! Ideal for kids age 6+. **ABOUT THE SERIES:** Arcturus Publishing's __Brain Benders__ series brings together collections of puzzles, activities and joke books for young readers. These entertaining reads are perfect for a rainy day!