Alan Garner, a well-known British fantasy author, has captivated readers for years with his vivid storytelling and magical locations. Garner's books explore the intricate parts of the child brain, producing young heroes who journey through creative environments and meet legendary animals. This article will focus on subjects such as identity formation, psychological growth, and dealing with fear and disaster in order to better comprehend how Garner's writing mirrors the child's thoughts. The fantasy book Elidor by Alan Garner was released in 1965. It relates the tale of four kids who stumble into a doorway leading to an alternate dimension called Elidor. They must go out on a mission in this dimension to protect Elidor and their own world from growing darkness. Throughout the novel, the children’s experiences and psychological conditions show a range of feelings and reactions. The Owl Service is a challenging book that explores the complexity of child psychology. It was first published in 1967 and explores the psychological experiences of three teenage characters, Alison, Roger, and Gwyn, by fusing fantasy, mystery, and Welsh mythology. In order to analyze the novel’s wide range of child psychology, this article will focus on several important issues, including identity development, adolescence, family dynamics, and the expression of suppressed emotions. “With its heady blend of mythological beauty and fear, The Owl Service has already been canonized as a ‘folk horror’ masterpiece as well as a memorable children’s broadcast” (Venning). The book provides a nuanced representation of the difficulties that the young characters must overcome as they explore their inner worlds in search of identity and self-discovery. Garner expertly explores the depths of the infant mind via the study of Welsh mythology, giving readers a story that is gripping and thought-provoking and that connects with the complexity of human psychology.