Wool Deluxe Collector's Edition: Silo Series 1 $15.19 (was $40) See at Amazon Shift Deluxe Collector's Edition: Silo Series 2 $20 (was $40) See at Amazon Science fiction readers and fans of the Apple TV+ dystopian series Silo can pick up beautiful collectible editions of Hugh Howey's best-selling novels for cheap right now. The Deluxe Collector's Editions of the first two books in the author's Silo series are available for at least 50% off. Wool Deluxe Collector's Edition is discounted to only $15.19 (was $40), and Shift Deluxe Collector's Edition is down to $20 (was $40). Continue Reading at GameSpot