Katherine Dunn’s Little Blue Dot: How GPS Shaped the Modern World examines the satellite-based navigation and timing services that have become part of everyday life. Jeff Foust reviews the book for The Space Review.
Published by Bloomsbury Publishing in 2026, the 384-page hardcover looks at the development of the Global Positioning System and the expanding role GPS plays across modern society. Its subject reaches beyond maps and route planning, addressing the wider importance of space-based positioning and precise timing.
The review also considers the vulnerabilities and other challenges facing GPS as reliance on satellite services continues to grow. Dunn’s book offers a broad account of how the system moved from a specialized space technology to an essential part of contemporary infrastructure.
