Elizabeth Griffin's son Zack has fragile X syndrome - the most common known cause of inherited mental impairment - and is among the 20 percent of people with fragile X who have autism. Whether you are a parent of a child with special needs or you struggle with unresolved grief, chronic stress, or depression, Fragile X, Fragile Hope shows without a doubt that you can survive, and more than survive, you can find your way back to a joy-filled life.