In S. M. Stirling's The Sky People an alternate reality unfolds where Earth's solar system harbors a shocking secret. Discovered only in the twentieth century, this revelation about Mars and Venus challenges our understanding of the universe and sparks a race among Earth's great powers to explore and influence these newly intriguing sister planets.

As the 21st century dawns, the struggle for knowledge and power on these celestial bodies forms the backdrop for a captivating tale. Set against a canvas of interplanetary intrigue, the story follows an archaeologist's ambitious quest to uncover the mysteries of a world vastly different from our own. Joined by a skilled Martian guide, their expedition delves into ancient secrets and the complexities of extraterrestrial societies.

This novel is a masterful blend of alternate history and science fiction. It's an ideal read for those fascinated by the idea of a different cosmic history, offering a journey filled with discovery, adventure, and the timeless allure of the unknown.