Reimagining new approaches in teacher professional development is the focus of this book. It looks at different perspectives of teacher professional development. Most chapters directly or indirectly present and discuss new approaches in teacher professional development in general. The purpose of the book is to inform readers that there are new ways of developing teachers professionally, and to equip readers with the skills needed to teach or behave in a professional manner. The book aims at providing new knowledge about professional development to academics, universities, education authorities, teachers, parents, and governing body members. The authors have diverse perspectives about the issues or aspects pertaining to teacher professional development. Chapters in the book: (1) Introductory Chapter: Reimagining New Approaches in Teacher Professional Development (Vimbi Petrus Mahlangu); (2) Reflection in Teacher Development (Ulas Kayapinar); (3) A Critical Review of the Kind of Training or Professional Development Typically Offered to the Teachers (Tebogo Mogashoa); (4) Cyber Security Body of Knowledge and Curricula Development (Evon M Abu-Taieh, Auhood Abd. Al Faries, Shaha T. Alotaibi and Ghadah Aldehim); (5) Moving from Training/Taming to Independent Creative Learning: Based on Research of the Brain (Yitzhak Ezuz); (6) Disciplinary Measures: A Survey from Selected Primary Schools (Welcome Mswazi Kubeka); (7) Hiding Techniques in Physical Education -- Categories, Causes Underlying and Pedagogy (Idar Lyngstad); and (8) Professional Development and Physics Teachers' Ongoing Learning Needs (Isaac Buabeng, Lindsey Conner and David Winter).