Warlords of Sigrdrifa Rusalka Novel

The arrival of mysterious invaders known only as the Pillars threatens towipe out all ofcivilization. Now humanity's last hope rests in thehands of the Valkyries, young womenbequeathed with supernatural aircrafts bythe god Odin to send the Pillars cast backwhence they came! A sky-highfantasy from the author of Re:Zero!