Susan Reynolds has written, co-authored, or edited more than 25 nonfiction books, primarily self-help books on everything from finance to meditation to neuroscience. Her most recent books include 5-Minute Productivity Workbook, 3-Minute Positivity Workbook, Fire Up Your Writing Brain, and Train Your Brain to Get Happy. She regularly blogs for Psychologytoday.com and on fireupyourwritingbrain.com.