Grady Hendrix is an American author, journalist, public speaker, and screenwriter known for his best-selling 2014 novel Horrorstör.

[8] He has also contributed to Katie Crouch's young adult series The Magnolia League, and his fiction has appeared in Strange Horizons and Pseudopod.

[10] Grady then wrote My Best Friend's Exorcism (2016) and the acclaimed non-fiction study Paperbacks from Hell: The Twisted History of ’70s and ’80s Horror Fiction (2017).

[11] He also co-wrote the 2017 motion picture Mohawk with director Ted Geoghegan[12] and the spec script for the horror comedy film Satanic Panic, which was acquired and produced by Fangoria during mid 2018.

[13][14][15] Hendrix created a one-man show for The Final Girl Support Group to promote the novel, as he found traditional author events boring.