In the violent and lawless Middle Ages, a castle was often the only seat of authority, and a nobleman's only protection against rival lords. But it was more than just a fortress; it was also a home for the lord and his family, a training ground for knights, and a source of employment for the local peasants.
He grew up in rural Cochranton, Western Pennsylvania, where he attended school in a one room schoolhouse. He graduated with a B.A. in English from Grove City College in Pennsylvania. While a college student, Blackwood published his first short story, Cliffs of Gold, in Twelve/ Fifteen magazine.
He has sold dozens of stories to children's magazines, and has published thirty-five novels and nonfiction books for adults, young adults and middle readers.