This book examines how institutional and Shariah governance shape the performance of Islamic bond (sukuk) and conventional bonds in the GCC and Asian regions. Offering a rare side-by-side comparison, the book highlights the strengths, challenges, and opportunities within both markets. With its blend of theory, empirical evidence, and practical implications, it provides clear insights for scholars, regulators, and financial practitioners. A timely contribution, this book shows how strong governance can unlock resilience, trust, and growth in global capital markets.