This book is very useful for engineering students to grasp the fundamental properties of structural member and the mechanics involved.Chapter 1 covers the material stress- strain behavior including the plane stress and the concept of Mohr circles. Besides it also include the concept of strain energy and poisson ratio.Chapter 2 covers on the geometrical properties of cross section of structural members.Chapter 3 covers the fundamental concept of shear force and bending moment which governs the behavior of the civil engineering structures.Chapter 4 detailed the application of bending and shear stress in beams.Chapter 5 focused on the determination of beam deflection using double integration, Macaulay's and moment area methods.Chapter 6 is about the calculation of torsion behavior in statically determinate and statically indeterminate member.