The Shield of Time
Manse Everard is a man with a mission. As an Unattached Agent of the Time Patrol, he's to go anyplace – and anytime! – where humanity's transcendent future is threatened by the alteration of the past. This is Manse's profession, and his burden: for how much suffering, throughout human history, can he bear to preserve?
Wanda Tamberley is a Patrol member in search of her mission. Recruited from sunny California in the late 20th century, she'd rather serve as a scientist in the research branch, exploring Earth's flora and fauna in epochs long past. But as hints accumulate from the Patrol's mysterious leaders uptime, it's beginning to look as if a lot of human history depends on her personal decision – and Manse's.
Meanwhile, the Exaltationists are on the loose, determined to revise human history and rule Time forever... and Manse Everard is sworn to stop them, no matter what the heartbreaking cost!
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Poul Anderson
Poul Anderson's name is synonymous with the golden age of science fiction, a master of speculative worlds where the future is as vast and varied as the past. Born in 1926 in the United States, Anderson's journey as an author was shaped by his fascination with history, science, and the unknown. A child of the Great Depression, he was drawn to stories that stretched the boundaries of possibility, whether set in the stars or rooted in the depths of myth. Over the course of his career, Anderson built a reputation for crafting intricate narratives that blend hard science fiction with the richness of historical and fantasy elements, making him one of the genre's most respected voices.
Time Patrol
Time Patrol consists of four primary books, and includes three additional books that complement the series but are not considered mandatory reads. The current recommended reading order for the series is provided below.

