Dr. Haifaa Younis invites us in her book, Sins - The poison of the heart, to pause for a moment and reflect on our contemporary lifestyle. To consider the possibility that unwittingly, or through forgetfulness, we may be doing things that are displeasing to Allah - acts of disobedience. To relies that even our ignorance may have real consequences, not just in the Hereafter but also in our everyday lives - in our relationship with Allah the people around us and the world at large. Learning about sins is an eye-opening, transforming experience that changes one's heart and mind. This book is a poignant reminder and encouragement to the reader to re-examine their lives. To accompany the author on a journey from unanswered questions, doubts, and uncertainties to the light of knowledge, understanding and new perspectives on Allah, themselves and our time here.