Crown Prince Mohammed bin Salman: Armored by Purpose By Ghani Khan In Crown Prince Mohammed bin Salman: Armored by Purpose, author Ghani Khan offers a profound and insightful look into the character, resolve, and mission of Saudi Arabia’s future king. This book traces the transformation of a leader forged by challenge, loyalty, and a deep sense of responsibility a man armored by his own purpose to bring forward a new era for his country.