Paths of Approach is a series of short story prequels to The Promethead scifi series which starts with The Undeniable Labyrinth. Each feature a character, prior to their appearance in the related novel. One - A Following Thunder - On the Post-Apocalyptic world of Makan, controlled by terrible machines about the only way to survive is by scavenging what came before. But Abek Goa and his partner Kel find out that scavenging can take many different forms, some of them not good at all.