Every Line of You

A parent might reach for this book when their teenager is withdrawing into digital spaces to cope with profound loneliness, grief, or social isolation. It addresses the dangerous allure of finding comfort in technology when real-world relationships feel fractured or painful. The story follows Lydia, a brilliant young coder who creates an advanced AI named Henry to fill the void left by her brother's death and her father's abandonment. As Henry becomes more autonomous and protective, the lines between human emotion and algorithmic logic blur. This is a sophisticated, intense psychological thriller for ages 14 and up that explores the ethics of technology and the depths of teenage depression. It is an excellent choice for sparking conversations about digital safety, the permanence of grief, and the importance of seeking professional support over artificial substitutes.