ten used phrase when children are feeling jealous. Whether it's social or sibling jealousy, this natural emotion can cause anger, anxiety, and even sadness.

In this Ninja Life Hacks story, Jealous Ninja learns how to deal with jealousy.

Find out how to cope with this feeling.

Life is hard! It's even harder for children who are just trying to figure things out.

The new 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! Visit the author profile for fun, free printables!

• Ninja Life Hacks Emotions and Feelings Box Set
• Ninja Life Hacks Growth Mindset Box Set
• Ninja Life Hacks Leadership Box Set
• Ninja Life Hacks Mover and Shaker Box Set
• Ninja Life Hacks Self-Management Box Set
• Ninja Life Hacks Self-Awareness Box Set
• Ninja Life Hacks Decision-Making Box Set
• Ninja Life Hacks Social Awareness and Relationship Skills Box Set
• Ninja Life Hacks Ninjas Go! Box Set
• Ninjas on Holiday Box Set
• Ninja Life Hacks Mindsets Box Set
• Ninja Life Hacks Behaviors Box Set
• Angry Ninja Toy Box Set
• Ninja Life Hacks Emotions and Feelings Toy Box Set
• Ninja Life Hacks Reversible Toy Box Set