"The Singularity Is Near" by Ray Kurzweil

"Superintelligence: Paths, Dangers, Strategies" by Nick Bostrom

"Our Final Invention: Artificial Intelligence and the End of the Human Era" by James Barrat

"Life 3.0: Being Human in the Age of Artificial Intelligence" by Max Tegmark

"The Age of Spiritual Machines: When Computers Exceed Human Intelligence" by Ray Kurzweil