What is a Synesthesia? What is a synesthete? Is it simply someone who sees blue when he/she hears the number 3? Unfortunately it is not that simple, as you will understand after reading this book. The fascinating world of blended senses is explained in this book. What are the symptoms, causes, and treatment options? All covered in this book. Including tests for synesthesia. The author, Lindsay Leatherdale, a 20 year old neuroscience and psychology under-graduate, with a special interest in synesthesia, has a friend whose dad is a synesthete. She wanted to help her friend and her dad by giving them some books to read. To her disappointment there was a lack of informative books available on synesthesia. She decided to investigate the subject thoroughly and write a book about it to be able to help her friend and lots of other people. This book is a must have for anybody who is confronted with Synesthesia. The book is written in an easy to read and understandable style. In a straightforward, no nonsense fashion, Lindsay covers all aspects of synesthesia.