Ian Tregillis's Milkweed Triptych is a dark and thrilling masterpiece featuring a twentieth century much like our own, but also chillingly different.

The Milkweed Triptych includes: 
Bitter Seeds
The Coldest War
Necessary Evil

Praise for the series:

'Confident and thrilling' SFX

'Bitter Seeds may rival Naomi Novik's Tales of Temeraire as a sustained historical fantasy' Booklist

'Exciting and intense' Publishers Weekly

'Receives my highest recommendations' SFFWorld