Total 186 exercises. "Mr Kestelman, reader in Mathematics at University College, London, covers the major theories of integration in a connected and concrete manner, with theorems and fully worked out proofs for every step in his exposition. Beginning with elementary definitions, he carries you step by step through the basic theory of aggregrates and of sets of points, Riemann and Lebesque integration, Fourier Series, and Riemann Stieltjes integration."