This is in Lightspeed: Year One.
Another brilliant little short story from the master of sci-fi shorts.

So the Earth has been attacked by a reptilian enemy, and the young are marshalled to go and fight, but where does it take them and what is the true form of that enemy.

Next story in Alastair’s chronology is Cardiff Afterlife.

Alastair’s Page

#scifi #alastairreynolds