Greta Manville (G. C. Manville) lives in Arizona where she writes mystery and suspense novels, participates in writers' conferences and critique groups, and has served as a contest judge for fiction and nonfiction writing as well as poetry. She has won first place in contests conducted by SouthWest Writers and Authorlink.com as well as the grand prize for the Sparrowgrass Forum's "Poetic Voices of America" contest in 1999. She is the recipient of a John Steinbeck Fellowship at San José State University for the 2002-2003 year and is a member of the Editorial Board and the bibliographer for Steinbeck Studies, a semi-annual journal which is jointly published by San José State University and the University of Idaho Press.

Greta belongs to Arizona Authors Association, SouthWest Writers, Rocky Mountain Fiction Writers, and West Valley Authors Association. Murder Online is her second published novel with two others in progress. She is concluding research and writing for an annotated secondary bibliography on John Steinbeck, co-authoring with Professor Emerita Martha Heasley Cox, who founded the Steinbeck Research Center at San José State University.