The recent global financial crisis has revealed many problems with the current capitalistic banking system. However, the current economic disaster has presented the Islamic banking system with a golden opportunity to introduce its methods and principles inspired the Islamic law of Shariaa to world at large. The aim of this book is to determine the impact of the current global financial crisis on Islamic banks compared to conventional ones based on accounting ratios. Islamic banks have their own characteristics and operate under different principles. These issues seems to be very interesting to be analysed deeply mainly within the actual economic turbulence.