A much awaited textbook covering the entire gamut of animal development, ranging from gametogenesis to senescence and cell death. Fertilization, cleavage, gastrulation, organ formation and foetal membranes, experimental embryology, developmental processes after embryogenesis and environmental regulation of animal development are discussed in different chapters. Many chapters integrate descriptive embryology with modern concepts in developmental biology. Developmental genetics of Drosophila also finds a spot in the book.