Winston Churchill, Andy Warhol, Tom Cruise, Agatha Christie, and Pablo Picasso were all famous and successful in their chosen professions. And they were all dyslexic. But what is dyslexia? Are there different types of dyslexia? Is there a cure? This guide answers these and other questions, providing a concise explanation of the causes and symptoms of dyslexia, a learning disorder that inhibits the reading and writing ability of millions of children and adults worldwide.