I would like to convey my heartfelt appreciation to several people who have helped me throughout the process of developing this book. Next, I wish to extend my heartfelt gratitude to my research assistant, Nurul Ain Syahirah Parizal for all her invaluable assistance and unwavering support throughout my study. Her dedication and tireless efforts have significantly contributed to the success of this project. I am truly grateful for her invaluable contributions, which have enriched the research process and outcomes. Her commitment and professionalism have been instrumental in navigating various challenges and achieving all the research objectives. Thank you for your invaluable assistance and collaboration. Next, I would like to thank my main PhD supervisor, Nor Yazi Khamis, and my second supervisor, Hafizoah Binti Kassim for their essential guidance, support, and encouragement. This book would not have been feasible without their expertise and guidance. I would also like to thank my husband, Mohd Rizal Bin Fouzi, for his love, support, and encouragement throughout my PhD journey. His unshakable faith in me has been an impetus for my accomplishment. I am also grateful to my children, Muhammad Rayyan, Muhammad Razin, Muhammad Rizqin, and Raaina Madinah, whose love, laughter, and joyful spirits have provided joy to my life and inspired me to persevere even in the most difficult of times. I will be eternally grateful to my friends and colleagues for their essential encouragement, and support. Finally, I'd want to thank the many people who contributed to this book in many ways, from da’wah experts, teaching material experts to Islamic practitioners and learners who have used this book prototype. Their knowledge, dedication, and enthusiasm for the subject have contributed to the success of this work.