How to Code in HTML5 and CSS3 is a free e-book about making websites in HTML5 and CSS for absolute beginners. It doesn't require any experience in IT to start. The aim of this book is to show the art of making websites using a plain language which is full of practical analogies. After reading over 100 pages you will get to know basic concepts and techniques of web development and be able to build your first website ever!
Downlaod here (pdf)