My book will be offered for FREE on August 21, 22, and 23 at Amazon.com

My book, English for Research Papers: A Handbook for Brazilian Authors, will be available for FREE on August, 21, 22, and 23 at Amazon:

http://www.amazon.com/English-Research-Papers-Handbook-Brazilian-ebook/dp/B00MVBSGOS/ref=sr_1_1?ie=UTF8&qid=1408546553&sr=8-1&keywords=english+for+research+papers+a+handbook+for+brazilian+authors