52 secrets of psychology : improve your life one week at a time / Chris Day. Fifty-two secrets of psychology Day, Chris. Change (Psychology) 150 22 PSY Includes index. A specialist in resilience psychology who was named Mental Health Researcher of the Year (WA), Dr Chris Day explains in a concise, understandable way the principles that have regularly helped clients make positive changes to their lives. Brisbane, Qld. : Enlightened, c2009. c2009. 2009 Text ix, [108] p. : eng