Part memoir, part history, this looks at epilepsy throughout history, and the pioneering work done by doctors to understand how the brain works. Grant's brother had epilepsy, and also looks at how it has effected his own life He shows us the famous people with epilepsy like Julius Caesar, Joan of Arc and Vincent van Gogh, the pioneering doctors whose extraordinary breakthroughs finally helped gain an understanding of how the brain works, and, through the tragic tale of his brother, he considers the effect of epilepsy on his own life.