Unsubscribe: How to Kill Email Anxiety, Avoid Distractions, and Get Real Work Done is a book by Jocelyn K. Glei that offers practical strategies for managing email overload and regaining control over your workday. The book is based on the premise that email has become a major source of distraction and anxiety for many people, and that it is possible to reclaim your time and focus by adopting a more intentional and mindful approach to email.