Muslims around the world are passionate about trying to make a difference, and they are willing to make great sacrifices to see a positive change in the world. Yet when it comes to the administrative and organizational features of running a successful Muslim student association, youth group, or other local, national, or international Islamic organization, it is important to ensure that we lead with effectiveness, efficiency, and a duty to Allah. Tried and Tested: 123 Guidelines for Collective Islamic Work shares realistic and practical operational guidelines that are a prerequisite for success in collective Islamic work, whether it is running an organization or working in the field of da’wah. It will help provide structure, clarity, and a clear purpose when it comes to personnel training, administration, and networking, and it will help Islamic groups minimize mistakes. By applying these easy-to-understand, clear principles, collective Islamic work can become much more efficient and effective.