Rift

The wall has kept the settlers safe for years, but all that is about to change.

When the creeping mat of symbiont becomes even more dangerous, Connor and the others have stark choices to make.

The settlers need to find a new way to ensure their survival. They can try and fortify their current home, but if the symbiont can't be held back they must look for a more radical solution.
Siobhan and Ben are hopeful. They heading out to explore the planet in the rover, but nothing has prepared them for what they'll find.
Meanwhile, Lyndsey Teare has led the fleet back to their base, but a surprise is waiting for them.

It's time to discover the colonists' fate in Rift.

For the best reading experience, it is recommended that the Colony B books are read in this order:
Optional Prequel - Skeleton Crew
Book 1 - Wall
Book 2 - Trail
Book 3 - Control
Book 4 - Rift.