This book provides readers and insightful knowledge of how Islamic theories and approaches can be used by researchers to study the mechanisms to mitigate financial crime. For Muslims, Islamic history has always been a good source of knowledge on cultures of origin, practices of religious beliefs, and to learn the success and failures of the past empires. It provides Muslims with lessons learned, especially on the renowned Caliphs' success in Islam's early reign, which substantiates why Muslims need to refer and learn from history continuously.It also increases Muslims' awareness and understanding of many aspects of Islamic teachings, especially in addressing financial crime. The effort by the Accounting Research Institute to have this book published is rather timely. This book would help preserve the culture of research and writing, which is crucial to ensure that Muslim scholars' legacy will have its continuity.