How to use this book

When you hov­er over a word, expres­sion, or phrase high­light­ed with pale yel­low, its trans­la­tion, com­ment, or expla­na­tion will pop-up.

Using the tools at the top of the page you can change the high­light col­or, or switch it off by click­ing on the white but­ton.. You can also adjust the font size, choos­ing the most con­ve­nient one for you. You can hide the tools by press­ing but­ton top left.

Then you can choose a chap­ter from the Table of Con­tents bellow.