NEVER GIVE UP! 17 years old DROPPED OUT OF SCHOOL. 25 years old LOST HER MOTHER. 26 years old HAD A MISCARRIAGE. 28 years old FELL INTO DEPRESSION. 30 years old ATTEMPTED SUICIDE. Her book was REJECTED by 12 PUBLISHERS. YET SHE NEVER GAVE UP! She wrote the Harry Potter series, which became the best-selling book series in the world, and became the world's first billionaire author.