SILENT NIGHTMARE: Frederika Ulrich didn’t have a choice in what direction she wanted her life to go. Her mother, hoping she’d learn some discipline, sold her off to Buer, the king of the demon hell realm, Gehenna, as one of his mercenaries. But unlike his other mercenaries, Rika isn’t allowed to hunt or capture any of the demons on Gehenna’s most wanted list. No, she must settle on only…