Descender Volume 4: Orbital Mechanics

Tim-21, Telsa and Quon finally escape the Machine Moonand head out on a quest to find the ancient robot who may hold the key to theHarvesters. Meanwhile Andy and his rag-tag team close in on Tim, but theirfragile alliance is shattered by Driller'srevealtions.
A new chapter of the heartfelt Sci Fiepic begins here by superstar creators JEFF LEMIRE and DUSTINNGUYEN
Collects issues 17 through21.