EUC paperback collection in a slip case. A little bit of wear on the spines (pictured), but covers and pages are all rip-free and mark-free. The Ninja Life Hacks Emotions and Feelings Box Set includes books 1-8: Angry Ninja Positive Ninja Earth Ninja Inventor Ninja Grumpy Ninja Helpful Ninja Kind Ninja Lazy Ninja Life is hard. It’s even harder for children who are just trying to figure things out. The new social-emotional learning children's book series, Ninja Life Hacks, was developed to help children learn valuable life skills. Fun, pint-size characters in comedic books easy enough for young readers, yet witty enough for adults. The Ninja Life Hacks book series is geared to kids 4-10+. Perfect for boys, girls, early readers, primary school students, or toddlers.  Excellent resource for educators, parents, and teachers alike.