How prescription drugs turned Sally Gardner into crazed shopaholic: Best-selling children's author's £500,000 spree included £3,000 bathtub, five pairs of same shoes and 10 dog beds

Best-selling children's author Sally Gardner became a compulsive shopper due to prescription drugs, spending £500,000 on items like a £3,000 bathtub, five identical shoe pairs, and ten dog beds.