Don't have Telegram yet? Try it now!
http://www.tobem.com/cyberwar/social-engineering-the-art-of-human-hacking-by-hadnagy-christopher-published-by-wiley-1st-first-edition-2010-paperback/
Social Engineering: The Art of Human Hacking by Hadnagy, Christopher Published by Wiley 1st (first) edition (2010) Paperback