Charlie is going camping with the school and his classmate, Big Louis, the biggest boy in his class, is his partner. Ever-prepared Charlie has packed lots of things in his backpack. As soon as they arrive Charlie accidentally hits Big Louis on the foot with a hammer but fortunately Charlie has all the essentials to make a cast for it. Unfortunately for Big Louis, he puts the cast on the wrong foot! As the day goes on, with one mishap after another, Big Louis asks the teacher to change partner, but when danger strikes, Charlie shows that a good friend is always there to help.

Margarita del Mazo. A writer and storyteller who is greatly admired in Spain. She has almost twenty books to her name, many of which have been translated into other languages. Among them are the bestsellers Camuñas and The Flock, winning the Madrid Booksellers Guild Award and the Miami Cuatrogatos Foundation Award for best illustrated children's book.Guridi is an artist from Sevilla. Since 1995, he's worked and experimented professionally almost every aspect of design, image and advertisement. He's published over seventy books. His work is highly valued in Spain, while also being recognized abroad. His books have been published in USA, France, Germany, Italy, Libano He currently combines his work as teacher with his career as a children's book illustrator.