1) Google Books Downloader
Google Book Downloader is a tool that allows you to save book as PDF from google to your computer. Before using this tool make sure you have properly installed Microsoft .net Framework 3.5 SP1(Install)
2) Greasemonkey script
Most powerful and stable way to download Google Book. Easily download any book from books.google.com using Greasemonkey script.
- This hack only works with firefox browser. Make sure you install firefox browser.
- Install Flashgot to firefox browser and restart your firefox browser.
- Search any book on books.google.com and you’ll notice a download button at the sidebar as shown in screenshot.
- Click the download button to download the images of each. Select the pages you wish to download and then right click and select FlashGot Selection to download the selected pages.