Daniel B. Smith. Muses, Madmen, and Prophets: Rethinking the History, Science, and Meaning of Auditory Hallucination . New York: Penguin Press, 2007. 272 pp. $24.95 (cloth). ISBN‐13: 978‐1594201103. Jerome Kagan. What Is Emotion? History, Measures, and Meanings . New Haven, CT: Yale University Press, 2007. 288 pp. $27.50 (cloth). ISBN‐13: 978‐0300124743. Emily Martin. Bipolar Expeditions: Mania and Depression in American Culture . Princeton, NJ: Princeton University Press, 2007. 384 pp. $45.00 (cloth). ISBN‐13: 9780691004235. Joseph Cambray. Synchronicity: Nature and Psyche in an Interconnected Universe . College Station, TX: Texas A&M University Press, 2009. 168 pp. $23.95 (cloth). ISBN‐13: 978‐1603441438. Barbara Ehrenreich. Bright‐Sided: How the Relentless Promotion of Positive Thinking Has Undermined America . New York: Metropolitan Books, 2009. 256 pp. $23.00 (cloth). ISBN‐13: 978‐0805087499