Kurzweil published 'The Age of Intelligent Machines,' which won the Association of American Publishers' Most Outstanding Computer Science Book of 1990. The book explored the potential of artificial intelligence and its impact on society.

Kurzweil co-authored 'The 10% Solution for a Healthy Life,' with Dr. Michael Roizen, focusing on nutrition and health.

Kurzweil published 'The Age of Spiritual Machines: When Computers Exceed Human Intelligence.' In this book, he elaborated on the concept of the technological singularity and predicted significant advancements in AI and nanotechnology. This book solidified his reputation as a leading futurist.

Published 'The Singularity Is Near: When Humans Transcend Biology.' This book presents Kurzweil's most detailed argument for the coming singularity and his predictions about the future of humanity.

Co-authored 'Transcend: Nine Steps to Living Well Forever' with Terry Grossman, MD. This book focuses on health strategies and longevity.

Published 'How to Create a Mind: The Secret of Human Thought Revealed.' This book explores the nature of human intelligence and proposes a theory of how the brain works based on pattern recognition.

Kurzweil announced he was working on a sequel to 'The Singularity Is Near,' tentatively titled 'The Singularity Is Nearer', further refining and updating his predictions based on recent technological developments. No publication date has been set.

Kurzweil continues to deliver lectures and presentations around the world, advocating for the benefits of technological progress and promoting his vision of the future. He is a prominent voice in discussions about AI, longevity, and the singularity.