Complex sentence: Alternative settings for launch preparation, the EVA scene where astronaut Frank Poole is lost, and varying dialogues concerning the HAL 9000 unit are all featured in the book as well as the original short story The Sentinel on which is loosely based.
Split into simpler sentences: Alternative settings for launch preparation, the EVA scene where astronaut Frank Poole is lost, and varying dialogues concerning the HAL 9000 unit are all featured in the book. Also included is the original short story The Sentinel on which is loosely based.