1st printing. Collects Robotech 2: The Sentinels Book 1 (1988-1990) #1-4. Written by Tom Mason and Chris Ulm. Art by Jason Waltrip and John Waltrip. While Rick Hunter and Lisa Hayes and the REF prepare for their journey to Tirol, they are unaware that the planet has been invaded by the merciless Invid, consumed in their quest for The Flower of Life.Hardcover, 128 pages, B&W. NOTE: For softcover see Robotech 2: The Sentinels TPB (1993) Vol. 1. Cover price $19.95.