Chapter One: Software Development Life Cycle' includes the Concept and Definition includes two major development process of Waterfall and Agile. Chapter Two: 'Software Testing Life Cycle' includes concept and definition of Testing, its life cycle and how it fits in Software Development Life Cycle. This chapter also discuss the different kind of testing. Chapter Three: 'Test Planning and Designing' provides hands of guideline about Test Planning, Software Testing Life Cycle, and Kinds/Types of Testing. Chapter Three "Testing: Plan and Design" includes requirement analysis, Test Case specificationChapter Four: 'Functional Testing' includes major components of functional testing including Automation testing, end to end testing and best automated testing tools. Chapter Five: 'Non-Functional Testing' discusses about major non-functional testing including 'Security Testing', 'Installation Testing', and 'Performance Testing'.Chapter Six: 'Test Execution' discusses Test execution preparation such as data gathering and data set up, Entry-Exit criteria, Test Result Reporting.Chapter Seven: 'Defect Management' addresses the definition and analysis of defects and defect management process of how to reduce and prevent defect in the future. Chapter Eight: 'Potential Defect' which includes any incident may cause a defect. Chapter Nine: 'Critical Defects' which includes Risk, Vulnerability and Threat'Chapter Ten: 'Includes Root Cause Analysis'