Book: How to speak English Fluently

This is a book that can be interesting:

"How to speak English fluently":

https://www.amazon.es/English-Speak-Fluently-Tricks-Learners-ebook/dp/B00J1ZCUOO/ref=pd_typ_k_sp_1_1_p?ie=UTF8&refRID=2SWG2SJ1N6RVPGZPPFFX

As always, there are as many opinions as reviewers, but the book is attached to a blog that I found useful. Do have a look:

http://english-tonight.com/category/speaking/