This report outlines the development of the second version of the B1MG Project Handbook, following Open PM best practices. The handbook aims to provide board members and project participants with a comprehensive guide to the project's goals, objectives, and activities. The report highlights the key features and improvements of the new handbook version, including its structure, content, and user interface. The handbook is a valuable resource for stakeholders, providing them with a clear understanding of the project's progress and future plans. The report also discusses the challenges and lessons learned during the development process, offering insights for future handbook updates. The new handbook version is expected to enhance the project's transparency, accountability, and collaboration among stakeholders.