This book focuses on: (1) the physics of the fundamental dynamics of fluids and of semi-immersed Lagrangian solid bodies that are responding to wave-induced loads; (2) the scaling of dimensional equations and boundary value problems in order to determine a small dimensionless parameter e that may be applied to linearize the equations and the boundary value problems so as to obtain a linear system; (3) the replacement of differential and integral calculus with algebraic equations that require only algebraic substitutions instead of differentiations and integrations; and (4) the importance of comparing numerical and analytical computations with data from laboratories and/or nature. Contents: *Mathematical Preliminaries *Fundamentals of Fluid Mechanics *Long-Crested, Linear Wave Theory (LWT) *Wavemaker Theories *Nonlinear Wave Theories *Deterministic Dynamics of Small Solid Bodies *Deterministic Dynamics of Large Solid Bodies *Real Ocean Waves