The Hunter in the Shadows. The Utgarda Series, #4

In the Shadows of Betrayal: A Race Against ExtinctionPrepare to be thrust into a world of peril and uncertainty as Anna Rykov embarks on a mission to save her alter-dimensional sister, Sobak, and prevent the cataclysmic plans of a shape-shifting alien. In a haunting portrayal of Depression-era Boston, danger lurks at every turn, threatening not only Anna's existence but the very survival of all life on Earth.
Haunted by a prophetic dream foretelling her sister's peril, Anna is thrust into a treacherous game of cat and mouse. Tasked with finding and eliminating the alien threat, she finds unexpected allies in Cletus, a loyal hound with mysterious abilities, and a homeless World War I veteran harboring his own secrets. Together, they delve into the dark underbelly of Boston, uncovering a web of deceit and betrayal that spans across dimensions.
However, as Anna's investigation gains momentum, it draws the attention of the enigmatic J. Edgar Hoover, whose true motives remain shrouded in darkness. With the stakes higher than ever, Anna must navigate the precarious landscape of alliances and hidden agendas, unsure of whom to trust. With the weight of the world on her shoulders and the shadow of betrayal ever-present, Anna's courage and resilience are put to the ultimate test.
Will she uncover the truth behind the alien's intentions and save her sister, or will her efforts be in vain, leading to the extinction of all life as we know it?In "The Hunter in the Shadows, " the fate of Sobak, Anna's alter-dimensional sister, hangs in the balance, and the consequences reach far beyond their own existence. As she races against time to thwart the shape-shifting alien's plans, Anna is propelled into a battle that will determine the very survival of life on Earth.