The Lens of History: Donald Kingsbury's Psychohistorical Crisis
Psychohistorical Crisis (2001) is set in our far far future, with humanity spread out across the galaxy. It begins with a psychohistorian called Eron Osa seeing his “fam” destroyed, and with it the better part of his mind and his memory. The story goes backwards and forwards from there as we discover who Eron is, what a fam is, how he got into this position, and what kind of universe this is. The “fam” is a unique and specialised brain augmentation which everyone is fitted with as a child. People can’t wear each other’s fams, but fams can be upgraded and adjusted. Kingsbury does r...
Source: tor.com