Introduction,Flow graphs and Path testing,Purpose of Testing,Productivity and Quality in Software,Phases in a tester's mental life,Test Design,Dichotomies,Model for Testing,Consequences of Bugs,Taxonomy of Bugs,Structural bugs,Dynamic Data Vs Static data,Test and Test Design Bugs,Flow Graphs and Path Testing,Control Flow Graphs Vs Flowcharts,Flow Graph - Pogram Correspondance,Flow Graph and Flow Chart Generation,Fundamental Path Selection Criteria,Practical Suggestions in Path Testing,Loops,Kinds of Loops,Predicates,Path Predicates,achievable paths,Predicate Coverage,Path Sensitizing,Path Instrumentation.