The textbook includes the most general sections of graphology. The reader will learn how various psychophysiological characteristics of a person are reflected in handwriting, how the nature of writing changes with age, how various life situations affect changes in a person’s handwriting, how alcoholism is reflected in a person’s handwriting, what the number “7” and the letter “I” tell us, what secrets hide the signature and stroke of a person. The manual contains samples of handwriting and signatures of “great” charismatic personalities. Graphological tests can be used as a practical reinforcement of the material read. The manual is intended for the widest range of readers: for practicing lawyers, students studying law, high school students and their parents, as well as for everyone who wants to join the secrets of graphology - the science of human handwriting.