As of April 2013, Google has scanned over 30 million book titles. By 2020 Google would scan over 130 million book titles.Google Books offers four access levels to readers, they are:
- Full view books: These books are available in the public domain for ‘full view’ and can be downloaded for free.
- Preview books: Books where permission has been granted for limited the number of viewable pages to a ‘preview’ set by a variety of access restrictions and security measures.
- Snippet view books: A ‘snippet view’ – two to three lines of text surrounding the queried search term is displayed in cases where Google does not have sufficient permissions of the copyright owner of the book to display a preview.
- No preview books: Google also displays search results for books that have not been digitized. No preview books have not been scanned, their text is not searchable and only the meta data information such as the title, author, publisher, number of pages, ISBN, subject, copyright information, a table of contents and book summary is available.
You can download ‘full view’ and ‘preview type’ of Google Books as PDF, JPEG or PNG format. Users need to install ‘Google Books Downloader‘ software from the website http://www.gbooksdownloader.com/ or click here to download, This software is supported in Windows, Android and Macintosh operating systems.
Step 1: After installing software, paste URL of the book on the software you want to download.
Step 2: Select your desired output available formats such as PDF, JPEG or PNG.
Step 3: Select your desired resolution. It ranges from 350 px to 1280 px. Choosing higher resolution will fetch better output format.
Step 4: Select your desired output folder, location where your file will be saved.
Step 5: Click on ‘Start‘. It takes some time to scan pages and download the book.
These downloaded books can be viewed of PDF format with Adobe Acrobat Reader software, JPEG and PNG format can be viewed with windows photo viewer or IrfanView image viewer software.