For historical fiction this month, we travel back into the mystic past to explore the land of Druids, Danes, and followers of the Norse gods of Valhalla. What better way to honor Halloween than to delve into an era rich in mythic and supernatural traditions? We begin in the Nordic lands of the ninth century with Johanne Hildebrandt’s two-book series that chronicles the fascinating, violent period when the Scandinavian lands were fought over by adherents of the old gods and those converted to the new religion of Christianity. In THE UNBROKEN LINE OF THE MOON (VALHALLA BOOK 1,) as war rages between Vikings and Christians, rich and beautiful Sigrid holds to the old Norse gods, particularly the goddess Freya, who comes to her in dreams and reveals to her the future. Though her father wants her to marry Erik, a local king, to secure peace between Goths and Swedes, she finds herself drawn to Sweyn, a warrior seeking to overthrow Danish ruler Harald Bluetooth. Will she become Erik’s Queen, or risk all to follow her heart? In ESTRID (VALHALLA BOOK 2), Sigrid’s story merges with those of her twin offspring, Olaf, heir to the kingdom of Svealand, and his sister…