"The Defiant Agents" is a science fiction novel by the outstanding writer Andre Norton. This is the second book in the "Time Traders" series, which combines elements of science, adventure and detective. In this book, the main characters, special agents, go on a journey through time to the territory of the American continent, the former USA, where they encounter mysterious and enmities that threaten to change the course of human history. During dangerous adventures, agents must show their resourcefulness and courage to stay true to their mission and save the future in a world where time is the most precious resource. "The Defiant Agents" is an exciting story about courage, friendship and loyalty to duty that will capture your imagination and make you think about important issues of our time.