Gemstones from Smithsonian Handbooks

I would like to discuss the book Gemstones (Smithsonian Handbooks) If you have read this book, I would appreciate some comments on it.

Tourmaline: A Monograph

We are requesting a book review on Tourmaline: A Monograph.
Have you read this book? Can you write a review on this?
If yes please contact us.

Other books on tourmaline and gem stones are welcome.