100 Giving numbers might not be so bad
secondary school 2nd grade

Four missing kids, and four, probably, isn't just any number... The police can't find a solution and turn to a boy, and even one, really, isn't just any number, especially if that one is Olivo, forced by life to grow up faster than others and gifted with something that makes him unique. One, indeed. A prodigious memory, a keen intuition, almost mathematical deductions make him the detective you wouldn't expect, and it will be Davide Longo (Il gioco della salamandra, Mondadori), his narrative father, who introduces us to him as a new friend.

Meeting for secondary school classes