About Syd Kessler Books by Syd Kessler The Perfect System of Parenting by (author) Syd Kessler & Ellen Kessler Vibes The Scientific Secret to Achieving Extraordinary Results in Sales and Management by (author) David Morrison & Syd Kessler The Perfect System Finding Certainty and Fulfillment in the Science of Life by (author) Syd Kessler