From time to time Hollywood mines European film formaterial. Two Norwegian films were remade in the USin the 90s and early 00s. One Christopher Nolan'sInsomnia turned out quite a good Hollywood thriller;the other Jim Wilson's Head Above Water aforgettable movie-of-the-week. Ida Jahr attempts inthis book through analyzing the changes made to theNorwegian originals to find out what Nolan did rightand what Wilson did wrong.