Ollanderssci-fi

Supervolcano

Shown by first publication year; this may not be reading order.

Cover of Eruption by Harry Turtledove

Eruption Harry Turtledove · 2011 · Supervolcano

Cover of All Fall Down by Harry Turtledove

All Fall Down Harry Turtledove · 2012 · Supervolcano

Cover of Things Fall Apart by Harry Turtledove

Things Fall Apart Harry Turtledove · 2013 · Supervolcano