If you are interested in psychology and want to better understand yourself, this book is for you! After studying it, you will be able to find out: how our memory works, what thinking is, how to develop your mind, what are the origins of our mood, what is temperament and what are its properties, how character is formed, how to assess your own capabilities and make the right professional choice. You will understand that your inner world is accessible to knowledge and change. The tasks for self-analysis and self-study included in the book will help you with this. This is a guide for young people entering an independent life. From all the rich psychological baggage, it includes everything that is most relevant, interesting and useful. Teachers of psychology courses at school will be able to use it as teaching material. The book will also be of interest to first-year students of faculties of pedagogy and psychology and pedagogical colleges. All rights reserved. No part of this book may be reproduced in any form without the written permission of the copyright holders.