I'm so glad to see this as the top comment. In particular, his "Fallen Dragon" really resonated with me. If I may, I'd also like to suggest Richard K. Morgan f

I'm so glad to see this as the top comment. In particular, his "Fallen Dragon" really resonated with me. If I may, I'd also like to suggest Richard K. Morgan for his Takeshi Kovacs trilogy, which is currently being turned into a TV series named after the first book, "Altered Carbon". It is premised on backing up human consciousness to a "cortical stack" that can be recovered when a person is killed or dies, and downloading them into a new body, or "sleeve". It covers the rich overclass that effectively lives forever with a clone bank, criminal punishment being "put on ice" while someone else uses your body, and crack soldiers being deployed across planets digitally by being downloaded into new bodies. The whole series is a must read if you are contemplating the ethics and implications of immortality via digital backup.