NCO Workbook is a chapter-based study guide with a range of problems for the National Cyber Olympiad 2023-2024, which is organised by the SOF. Before the questions begin for each chapter in the workbook, there is a brief summary. The book's questions are organised into a HOTS segment that ranges in difficulty from beginner to achiever, along with suggestions and explanations. For a better understanding of the SOF NCO exam format, a solved 2022 National Cyber Olympiad exam paper is also included.