Complex sentence: He appeared to be maintaining sobriety there, as the shelter required regular drug tests, and he was actively pursuing further attempts to sell television and film scripts, as well as a self-published book called "Blueprint for Peace".
Split into simpler sentences: He appeared to be maintaining sobriety, as the shelter required regular drug tests. He was actively pursuing further attempts to sell television and film scripts, as well as a self-published book called "Blueprint for Peace".