"How to Write a Successful Research Grant Application" is a comprehensive professional book aimed at researchers seeking funding for biobehavioral and psychosocial research. In its second edition, the authors, experienced federal research investigators, provide valuable insights into the art of grant writing. Given the decreasing funding opportunities, it is crucial for researchers to understand the requirements and priorities of funding agencies and to translate their hypotheses convincingly into proposals. The book covers all aspects of the application process, from identifying suitable research opportunities to effectively communicating results. With practical tips, visual aids, and an extensive example of a research proposal, including a budget, it serves as a valuable resource for anyone looking to succeed in the competitive landscape of research funding.