Frida Kahlo was a colorful Mexican artist who endured great pain and hardship, but used her bright, vivid brushstrokes to express her emotions and reveal her true personality. She created over 50 self-portraits, and is considered to be one of the most influential and inspirational artists of the 20th century. Little Guides to Great Lives is a brand-new series of small-format guides introducing children to the most inspirational figures from...