The book centers around a curmudgeonly widower whose strict routines and grumpy demeanor hide a deep sadness after the loss of his wife. His solitary existence is disrupted when a boisterous young family moves in next door, leading to a series of comedic and heartwarming events that gradually thaw his icy exterior. Through these interactions, the protagonist's past is revealed, and he forms unexpected friendships that give him a new lease on life, showing that even the most steadfast loner can find community and purpose when least expected.

This gripping novel unfolds in the misty and myth-shrouded Baztan Valley of Navarre, Spain, where a detective returns to her hometown to investigate a series of eerie murders. The victims, teenage girls, are found in a state that suggests ritualistic killings, drawing the detective into a complex web that ties the present crimes to her own troubled past. As she delves deeper, local superstitions and family secrets emerge, challenging her rational beliefs and forcing her to confront the possibility that the answers she seeks might be as intangible as the mythical Basajaun, the invisible guardian of the forest. The story masterfully blends elements of crime, folklore, and psychological thriller, creating a suspenseful narrative that keeps the reader guessing until the very end.

"The Dog Star" is a haunting novel that explores the complexities of family relationships and the pain of growing up. Set in the mid-20th century, the story follows a young girl as she navigates through her difficult childhood in a dysfunctional family. As she grows older, she begins to question the world around her and her place in it. The narrative is interspersed with her adult reflections, providing a poignant examination of memory, regret, and the often painful journey to self-discovery.