The story is about a little troll Rossy who lives in a birch tree forest by a river. One day Rossy leaves for an adventure. During his journey there will be some events regarding mobile phones, friendship, yoga and diet. Book has 40 pages of colourful illustrations Story has about 2000 words. Suitable for young kids, groups and also for early readers. Book promotes wellness; encourages to think optimistic, dance, try yoga and eat healthy food. At the end of the book are also some assignments.