Author Mary Doria Russell signs copies of her book at the San Antonio Book Festival held at the Central Library downtown

Author Mary Doria Russell signs copies of her book at the San Antonio book festival held at the Central Library downtown. Photo by Kristian Jaime.

Author Mary Doria Russell signs copies of her book at the San Antonio book festival held at the Central Library downtown. Photo by Kristian Jaime.

Author Mary Doria Russell signs copies of her book at the San Antonio book festival held at the Central Library downtown. Photo by Kristian Jaime.