A portrait of the company whose ‘toymaker philosophy’ stands in contrast to the tech giants that rule our livesWhat is the highest-grossing entertainment franchise of all time? You might be tempted to think of Star Wars, or perhaps the Marvel Cinematic Universe. Maybe even Harry Potter? But no: it’s Pokémon – the others don’t come close. The Japanese “pocket monsters”, which star in video games, TV series and tradable playing cards, have made an estimated $115bn since 1996. Is this a sign of the lamentable infantilisation of postmodern society?Not a bit of it, argues Keza MacDonald, the Guardian’s video games editor, in her winsomely enthusiastic biography of Nintendo, the company that had become an eponym for electronic entertainment long before anyone had heard the words “PlayStation” or “Xbox”. Yes, Pokémon is mostly a children’s pursuit, but a sophisticated one: “Like Harry Potter, the Famous Five and Narnia,” she observes, “it offers a powerful fantasy of self-determination, set i...