Helen Fisher, one of the world's leading experts on romantic love, unlocks the hidden code of desire and attachment. Each of us, it turns out, primarily expresses one of four broad personality types--Explorer, Builder, Director, or Negotiator--and each of these types is governed by different chemical systems in the brain. Driven by this biology, we are attracted to partners who both mirror and complement our own personality type. Drawing on her unique...

"At age 37, Harvard neuroanatomist Jill Bolte Taylor suffered a massive left-hemisphere stroke that took away her ability to speak, walk, read, write, or remember any of her life-and gave her an unprecedented, profound experience of dwelling in the right hemisphere and the sense of oneness and peace to be found there. Her recovery led to her writing the New York Times bestseller My Stroke of Insight, being named one of Time Magazine's Most Influential...