Detectives-Footballers. The Mystery of the Invisible Penalty

The school year is coming to an end. The Soto Alto school football team is hanging on in eighth place, but now they have a chance. To fight, or even win, in a match against Guilén de Castro, the only undefeated team in the League. The last seconds of the match. Pakett is about to take a penalty that will decide the outcome... But something goes wrong. Roberto Santiago has worked as a screenwriter on television, an editor, and a producer. The series about detective footballers has become a true cultural phenomenon; it is one of the best-selling books in Spain, translated into various languages around the world, and even adapted into a film in 2018.