TY - BOOK AU - Harris,Dan TI - 10% happier: how I tamed the voice in my head, reduced stress without losing my edge, and found self-help that actually works SN - 9781444799040 U1 - 158.12 HAR 23 PY - 2014/// CY - New York, NY PB - It Books, an imprint of HarperCollins Publishers KW - Mind and body N1 - includes appendix and acknowledgement ER -