The official QGIS 2.18 Manual is available for download from its official website in PDF format.
It is developed in 22 chapters, within which it explains clearly and concisely the use of each of the available tools, as well as the functions that give power to the best free software in GIS. We hope it will be of use to you, and there are no excuses for not learning QGIS.
Table of Contents
- Preamble
- Conventions
- Foreword
- Features
- What’s new in QGIS 2.8
- Getting Started
- QGIS GUI
- General Tools
- QGIS Configuration
- Working with Projections
- QGIS Browser
- Working with Vector Data
- Working with Raster Data
- Working with OGC Data 149
- Working with GPS Data
- GRASS GIS Integration
- QGIS processing framework
- Print Composer
- Plugins
- Help and Support
- Appendix
- Literature and Web References
Download free Official QGIS 2 Manual PDF
Also you can check www.qgistutorials.com/en/
Really, It is very interesting manual