It's not that Google books does not work at all. I can search books .
A bit more then twenty years ago, someone told me that if I wanted to improve my bridge, I should read Why you lose at bridge by S J Simon. I did, but sadly it's very hard to find this book now.
Once I could read some of it at Google Books, but now they only tell you about the book, and point you to the Amazon website: 38.95$ is a bit steep for me...
Google books does show some books by Martin Gardner, but you can't buy any books from the site itself (or Google play store, or whatever you want to call it...)
I hope they'd let us use it someday, even in the middle of the middle east.
I have even less to say about Google Music. I just doesn't exist here...