S.L. Grey is a collaboration between Sarah Lotz and Louis Greenberg.
Based in Wales, Sarah is a novelist and screenwriter and die-hard zombie fanatic. She writes crime novels and thrillers under her own name, and as Lily Herne she and her daughter Savannah Lotz write the Deadlands series of zombie novels for young adults.
Louis is a Johannesburg-bred fiction writer and editor currently living in the UK. He was a bookseller for several years, and has a Master’s degree in vampire fiction and a doctorate in post-religious apocalyptic fiction.
Under Ground was published by Macmillan in summer 2015 and The Apartment in November 2016.