You might have seen the “book preview” feature on Google desktop search. Now, the company has introduced this feature to its mobile search as well. It was Google’s Satyajit Salgar who announced the new updation via Twitter. Google will display the “preview book” link, if a book has previews available within Google Book search.
Here is a screen shot of the book preview icon:
This is possible for every query done on a book/title that has a book preview available in Google’s index.
If you click on the preview icon, it instantly direct you into the Google Book search preview mode. So, it is very mobile friendly as well.