Very useful, tested, and concise books with practical applications that you can implement in reality, without unnecessary كلام. Each book is approximately 30 pages and contains a summary and the essence of what psychologists and experiments have agreed upon. All these books do not exceed 87 for the first package, which includes 3 books, and the second package is 109, with slight negotiation possible. The books contain the following: 1. The Mental Dominance Dose Be the person who controls any discussion... and always comes out the winner. 2. Devilish Boldness Break fear completely... and act with confidence that will amaze everyone. 3. Dark Intelligence Read people at a glance... and understand their intentions before they speak. 4. Black Social Intelligence Know how to play it right in any gathering... and come out with the biggest social gain. 5. The Secret of Charisma Strong presence, balanced speech, unforgettable influence. 6. The Magical Manipulation Dose Persuade professionally... make them agree while they are completely convinced.