Chess Book Study v2.0.1 now has a full built-in browser based on Zirco, the open-source browser.
With this the good news is that you can use the browser to read Google Books!
Here is how you can do it:
Step 1: Click "Open Web" and type http://books.google.com in the URL bar as shown below.
Once the page is loaded, click "My Library". If you are on a Phone or other small screen device, you may need to scroll to the bottom of the page to see "My Library"
Step 2: Once you click "My Library", Google will ask you to enter your username and password to sign-in. Enter your details and click "Sign in". You can choose the "Remember password" option if you like. Once you are logged in, you can select your book from the "My Books on Google Play" list.
Step 4: The book will be loaded and you can move through the book.
In the coming months, I shall improve the experience of reading books online.
(Edit Apr 28) Note 0: The app may crash on some devices while trying this method. I am working on it!
Note 1: Google Books are proprietary and closed source. Hence it is not easy for the app to read the books offline.
Note 2: Unfortunately, Amazon Kindle books are not supported since Amazon currently only supports a limited set of browsers.