9 Algorithms that Changed the Future is a 2012 book by John MacCormick on algorithms. The book seeks to explain commonly encountered computer algorithms to a layman audience.
Summary
The chapters in the book each cover an algorithm. Search engine indexing PageRank Public-key cryptography Forward error correction Pattern recognition Data compression Database Digital signature
Response
One reviewer said the book is written in a clear and simple style.
A reviewer for New York Journal of Books suggested that this book would be a good complement to an introductory college-level computer science course.
Another reviewer called the book "a valuable addition to the popular computing literature".
2020 edition
The book has been re-released by Princeton University Press in 2020.