Featuring mathematical accuracy, simple, clear lecture on general relativity, focused on applications in cosmology, gravitational waves, black holes, as well as relativistic stars, which makes it also an introduction to relativistic astrophysics.

The new, third edition of the academic textbook, supplemented with the last part - Syntax, contains full material constituting the basic course (additionally enriched with a valuable index of Polish word forms), most often implemented

The book concerns issues connected with places of care, upbringing and education of very young children. The authors show how work is organised in four such places in Greece, the Netherlands, Poland and Portugal, with particular emphasis on educating