Complete JOOMLA Guide (OFFLINE)

Joomla is an open source Content Management System (CMS), which is used to build websites and online applications. It is free and extendable which is separated into front-end templates and back-end templates (administrator).
Joomla is developed using PHP, Object Oriented Programming, software design patterns and MySQL (used for storing the data). This tutorial will teach you the basics of Joomla using which you can create websites with ease.
The guide is divided into sections such as
Joomla Basics
Joomla Menus
Joomla Modules
Joomla Global Settings
Joomla Advanced.

which are further divided as

Joomla Overview

Joomla - Installation
Joomla - Architecture
Joomla - Control Panel
Joomla - Toolbar
Joomla - Menus Menu
Joomla - Content Menu
Joomla - Components Menu
Joomla - Extensions Menu
Joomla - Help Menu

Joomla Menus
Joomla - Create Menus
Joomla - Adding Menu Items
Joomla - Modify Menu Items
Joomla - Creating Submenus

Joomla Modules

Joomla - Create Modules
Joomla - Breadcrumb Module
Joomla - Feed Display Module
Joomla - Footer Module
Joomla - Latest News Module
Joomla - Search Module
Joomla - Random Image Module
Joomla - Who's Online Module
Joomla - Syndicate Module
Joomla - Donation Module

Joomla Global Settings

Joomla - System Settings
Joomla - Media Settings
Joomla - Language Manager
Joomla - Private Messages
Joomla - Mass Emailing
Joomla - Cache Management
Joomla - Users Setting
Joomla - Debug

Joomla Advanced

Joomla - Template Manager
Joomla - Customize Template
Joomla - Adding Template
Joomla - Creating Template
Joomla - Customize Logo
Joomla - Category Management
Joomla - Adding Content
Joomla - Formatting Content
Joomla - Article Metadata
Joomla - Adding Banners
Joomla - Adding Contacts
Joomla - Adding News Feed
Joomla - Adding Forum
Joomla - Adding Web Links
Joomla - Plugin Manager
Joomla - Extension Manager
Joomla - Website Backup
Joomla - Website SEO

Each of these sections contain related topics with screenshots explaining the Joomla admin screens.