The Grimnoir Society's mission is to protect people with magic, and they've done soNsuccessfully and in secretNsince the mysterious arrival of the Power in the 1850s. But when a magical assassin makes an attempt on the life of President Franklin Roosevelt, the crime is pinned on the Grimnoir.

Larry Correia is the creator of the Wall Street Journal and New York Times best-selling Monster Hunter International series, with first entry Monster Hunter International, as well as urban fantasy hard-boiled adventure saga The Grimnoir Chronicles, with first entry Hard Magic, and epic fantasy series The Saga of the Forgotten Warrior, with first entry Son of the Black Sword. He is an avid gun user and advocate who shot on a competitive level for many years. Before becoming a full-time writer, he was a military contract accountant, and a small business accountant and manager. Correia lives in Utah with his wife and family.