Aupes by Les Broad
Approx. 90,840 words.
Published on August 26, 2011.
The world has been devastated by a chemical war; humanity survives only in isolated pockets of civilisation. With a poisonous atmosphere closing in on one such pocket the community must decide what to do. The problem is that there is nowhere else on Earth they can go.
Their destination must be somewhere that is not on the planet and they think they've found it.
Maybe, just maybe, they have.