Complex sentence: His first collection of short stories entitled "A Deep River Flows Far" is a product of the author's painful experience of that period Kim has served as the publisher of "Silcheonmunhak", a popular literary quarterly.
Split into simpler sentences: His first collection of short stories entitled "A Deep River Flows Far" was a product of the author's experience. Kim also served as the publisher of "Silcheonmunhak", a popular literary quarterly.