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)
How to use Google Books Downloader?
Download Google Books Downloader. Extract or unzip the file. Double click mdgb.exe to run the application.
Paste the URL of the book you want to download.
Press “Check” button. Book will be checked and all available pages will be retrieved.
Press “Download entire book” button to download all the pages in one go.
Press “Save entire book as…” button. All downloaded pages will be saved in PDF format.
Visit leechvideo and input URL of the book you searched from Google. Input the URL for the book you want to download and press the ‘Grab’ button. The page retrieval process in the form of image files will start as soon as you press the ‘Grab’ button. Click right mouse button on the links and save it manually one by one. You can use Orbit for batch downloading
3) Greasemonkey script
This is the most powerful and stable way to download Google Book. You can easily download any book from books.google.com using Greasemonkey script. Just follow the simple steps below.
This hack only works with firefox browser. Make sure you install firefox browser.
Now install Greasemonkey Script and then install Google book downloader userscript.
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.
Visit laneware. The tool works only on IE browser. Input the URL of the book you wish to download and you will get the links of the pages retrieved. I tried the tool but did not found much success. You can use its ‘FAQ and Help’ section for troubleshooting tips.
If you are looking for advance tool that can download google book and can print them for you as well then ClickBook is the best solution for you. The tool does not come free and is available for $49.95. Works only with Windows 95/98/ME/NT/2000/2003/XP/Vista. Visit ClickBook for more details.
6) Download book without using any Tool
Open computer with admin privileges and launch your Internet Explorer (Not Firefox). Now visit to the page in books.google.com that you want to download.
Navigate to “C:\Documents and Settings\%admin_name%\Local Settings\Temporary Internet Files\” of your computer machine and delete all of the content of the folder.
Browse the pages of the books that you want to download.
Open “Temporary Internet Files” folder. Copy all PNG files. These files are nothing but the pages of the scanned book
You can print the png files and arrange them in order for reading.