Michael Schneider Variety Editor at LargeRichie Stephens has turned his real-life path to redemption, from Irish gangster to an actor with guest roles on series like “NCIS” and “Blue Bloods,” into the upcoming book “The Gangster’s Guide to Sobriety: My Life in 12 Steps.” And now, “Silicon Valley” co-creators John Altschuler and Dave Krinsky have signed on to develop a TV series based on the personal account, with Stephens involved as well.“The Gangster’s Guide to Sobriety,” set to be released on May 24 by Post Hill Press and distributed by Simon & Schuster, tells the true story of Stephens’ involvement with drug trafficking, kidnapping, and robbery (along with other misdeeds that he alludes to), followed by his path away from that world via acting. Altschuler and Krinsky will developing Stephens’ story for TV via the book, which they helped write with Stephens.