Book Geochemistry, published recently by the British publishing house IntechOpen in London, whose main editor is Dr. Miloš René from the Department of Geochemistry of the IRSM of the CAS, includes fourteen chapters that discuss the chemical composition of various rock complexes, their structural evolution, methodology of specific geochemical methods (isotopic geology), using of geochemical methods for exploration of mineral deposits, structural geology, stratigraphy and lithology.