Sad Ninja learns how to cope with the loss of a loved one. Find out what happens in this SEL book ab... more

What do you do when it seems the world is crashing down on you? Zen Ninja shares the Five Star Breat... more

We teach our children to be kind to others, to share, but how do we teach them to be kind to themsel... more

"When Funny Ninja’s friends want to learn how to be more comical, Funny Ninja teaches them there are... more

Kind Ninja learns all about acts of kindness, both big and small. Find out what happens in this come... more

Diversity Ninja shows us that regardless of differences in race, gender, ability, background, clothi... more

Calm Ninja experiences frustration and anxiety until he learns how to find his inner peace by findin... more

Lazy Ninja wants to get moving, but just can’t find the motivation. Or simply put, Lazy Ninja’s stuc... more

This book is available digitally as an Open Acces resource at www.boomdenhaag.nl. Click here to acce... more

Join Blue on her first zany adventure as she prepares for Jesus’ birthday party. Make a new Christma... more