Happy Ninja learns how to achieve more happiness!Find out how in this book about the Daily D.O.S.E.Life is hard. It's even harder for children who are just trying to figure things out.The 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 counselors, parents, and teachers alike.Collect all the Ninja Life Hacks books and visit the author's profile for fun freebies!Ninja Life Hacks Emotions and Feelings Box SetNinja Life Hacks Growth Mindset Book SetNinja Life Hacks Leadership Book SetNinja Life Hacks Mover and Shaker Book SetNinja Life Hacks Self-Management Book SetNinja Life Hacks Self-Awareness Book SetNinja Life Hacks Decision-Making Book SetNinja Life Hacks Social Awareness and Relationship Skills Box SetNinja Life Hacks Mindsets Box SetNinjas Go! Box SetNinjas on Holiday Box Set