The Illustrated Mum is a powerful and emotionally nuanced novel by Jacqueline Wilson, known for tackling complex family dynamics with sensitivity and realism. The story is told through the eyes of ten-year-old Dolphin, whose mother, Marigold, is a vibrant, impulsive, and heavily tattooed woman who struggles with bipolar disorder and alcoholism. Dolphin idolizes her mother, viewing her as a free spirit whose body art tells wonderful stories. However, Dolphin's older sister, Star, is often forced into a parental role, bearing the brunt of Marigold's instability and unpredictable behavior, which ranges from manic highs to deep, debilitating lows. As Marigold's mental health deteriorates, the sisters' lives become increasingly difficult and unstable. Wilson sensitively explores the challenging themes of mental illness, the complexities of unconditional love for a troubled parent, and the moment when children are forced to seek external help, ultimately crafting a moving story about family bonds under immense strain.