"Know Your Why" by Ken Costa is an insightful non-fiction book that explores what drives people in their professional lives. It examines the various motivations behind work, whether it be the pursuit of money, a career, a specific purpose, or a deep calling. With 240 pages, the book offers a comprehensive analysis and practical insights that encourage readers to reflect on and understand their own motivations. Costa uses clear and accessible language to illuminate complex topics and provides valuable suggestions on how to lead a fulfilling and meaningful professional life. The book is written in English and was published in 2016. It is not only informative but also sustainably produced, as it is made from recycled materials and carries the FSC Mix label. Its handy size of 13.9 cm in width and 21.3 cm in height makes it an ideal companion for on-the-go reading.