Google Books API (Related Books) - google-books

I've been skimming over the Google Books API, but couldn't find anything that could retrieve a list of related books.
There's a related books carousel shown on their Google books pages.

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How to use Google Books API to search inside a specific book for specific keyword?

I would like to search inside a specific book for a specific keyword. Is this possible with the Google Books API? I've read the documentation and cannot find an endpoint that will allow me to do this, nor any mention of this functionality. I know that the Google Books website allows users to manually "search inside" a book, but does anyone know if it's possible to do via the Google Books API?

Need help - embed Google My Business Posts into website

I'm looking for an api or another way to grab posts (not reviews) from google my business and embed them to a website. We don't want to have to place the updates/posts at two different places...google my business and the actual website.
I'm already grabbing reviews using the google places API but didn't find any solutions for actual posts
appreciate any directions to the end result...thank you
You can do this through the Google My Business API
The method to fetch Google My Business posts is accounts.locations.localPosts.list

Is there any API for Google Plus Page Collections and Communities?

I have read Google developers documents and have not yet find any API which is used to get Google Plus Pages Collections and Communities posts.Are the APIs available currently?
There is currently no API for Google+ Pages or Communities. The Google+ API is currently only for access to users data and is also sadly read-only.

Is it possible to access the sub-types for the Google Places API?

When using the Yelp API they provide categories (ie Restaurants) and then also a long list of subcategories for that category (ie Italian, Mexican, Japanese, etc.).
It seems like this is not possible for the Google Places API because on their developers website they only list the broad categories. However, I know that subcategories do exist because they show up if you search for them. So is there any way to pull a list of the available subcategories that Google uses?

How to Add and Track Tweets, Facebook Likes and Google+ 1 on my website

I would like to have the tweets, Facebook like and G+ buttons on my website. I've seen it on many website but am clueless on how it is implemented.
Those social buttons can be easily grabbed directly from official websites.
Tweeter: http://twitter.com/about/resources/tweetbutton
FB: http://developers.facebook.com/docs/reference/plugins/like/
G+: http://www.google.com/webmasters/+1/button/

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