The publication introduces the basic rules of writing both final theses (bachelor's, master's and doctoral theses) as well as professional scientific texts. It might be a guide on the long journey from the idea itself to the implementation of scientific output. The main topic of the text is definition of elementary techniques of scientific and professional work, characteristics of methodology and scientific methods, an overview of potential sources of information and databases for the text creation. The book also deals with formal and content aspects of scientific work, principles of citation ethics and evaluation of publication activities. The final chapters are devoted to the fundamentals of communication and presentation skills and ethics of scientific work. The contribution of the book are also its annexes, which contain in one place the core passages of the Copyright Act and legislative rules of the government, Latin phrases used in professional texts and other information. The extensive bibliography for further study is divided according to particular chapters of the book.