It’s the tenth anniversary of four friends. They go the same school, and are all feeling some deep changes around and inside them. The four friends have to prepare a school work, each one of them will retell how it goes according to his or her own point of view. In their thoughts the reader will find clues about their daily life and their new experiences: It seems that Andrés and Paula are discovering a feeling that looks like love; Fredi has a peculiar character, but this is partly due to the special relationship he has with his little and autistic brother; and Iñaki, who is the shiest of the group, will unexpectedly save all of them: when the teacher says their school work is horrible, he will make up a great demonstration based on his favourite book, The jungle book by R. Kipling. At the end of this book, the reader will also find three short comics that tell the adventures of The Crystal, a superhero created by Freddi and based on his brother. In a sweet way The Crystal will lead the reader to think about the meaning of doing a good action … As you grow up, you discover that life is full of nuances and sometimes it’s not easy to tell right from wrong.