Economically, Sinai is one of the most important axis for development a desert land in Egypt, therefore reclamation and cultivation are two main activities for local inhabitants. This book is focusing on the soil fertility in Sinai peninsula, showing the importance of soil quality of Sinai's land, and the most important land areas for using in large projects in agriculture and multi-purposes of land use. Its very useful also because it has the most recent techniques and analyses in soil analyses, and the relationship between soil fertility and other physical environmental factors that control soil moisture and subsequently soil fertility and quality. The book also focuses on the flora and species composition of South Sinai mountains which is very important to scientific community specially ecological problems in desert lands. The book is very useful for those interesting in how to use multivariate techniques such as CCA for analysis the vegetation of mountains in arid lands and applying these techniques on soil parameters.