Little cat Carl and his best friend Teddy explore the world together and want to take you along on their travels. The duo gradually discovers new countries, cultures, and their unique features. Along the way, they not only learn about diversity but also about important values like friendship, courage, and self-confidence. Small yet meaningful lessons, such as asking for help or showing perseverance, are taught through playful and exciting moments in different scenes of the book.
 
In the second volume of the book series, Carl and Teddy explore Nicaragua. Known for its many volcanoes, the two friends aim to climb one to witness the bubbling lava. However, they get lost in the jungle on their way. Slowly but surely, they meet various animals who, with their unique skills, help Carl and Teddy on their journey. Each animal has something special to offer, and together, they help the group overcome the challenges they face as they make their way to the top.