This book consists of two analytic papers. The first chapter of this book entitled “System Analysis, Design and Construction” reviews studies conducted on information system. As a case study it evaluates a system for schools and departments which assesses students through a number of assessment components. It demonstrates a practical design in decision-making at the Pass/Fail boundary, the mathematical fundamentals in the application of these policies and inherent in marks. It also proposes processes involved in error-estimation by the raters. The second chapter of the book entitled “Easy Reading Online Bookstore System” discusses development of an online bookstore, which includes various necessary components including shopping mechanism, purchasing statistics, and management tools. The paper concentrates on the design of the data base and its integration with the implemented system.