"Use of Weapons" is a science fiction novel by Iain M. Banks, part of the Culture series. The story revolves around Zakalwe, a mercenary who is enlisted by the Culture to assist in wars across the galaxy. The narrative intricately weaves two timelines—one following Zakalwe's past and the second detailing his present mission. These timelines converge, revealing both his troubled history and the moral complexities of his actions within war and violence. This dual structure propels the story forward, creating suspense and depth to his character.
The novel explores profound themes such as the nature of memory, identity, and the ethical implications of warfare. Zakalwe's past is haunted by trauma, and his choices are positioned against the broader context of the Culture's interventionist philosophy. The reader is challenged to consider the consequences of using individuals as weapons, reflecting on how personal experiences shape one’s decisions and morals. The dialogue and interactions with other characters emphasize the grey areas within conflicts.