The 13th thrilling novel in the internationally best-selling Skulduggery Pleasant series, Seasons of War will test the Skeleton Detective and Valkyrie like never before…

War is coming. To avert catastrophe, Skulduggery and Valkyrie are sent on a secret mission that takes them away from everything they know, to a forsaken land of magic and grim, unrelenting terror. It is here that Valkyrie will have to fight the hardest – not only against the enemies who want her dead, but also against her own self-destructive impulses. It’s only by crawling through darkness that she’ll be able to once again stand in the light….