Description: This book was published in tribute to Khalid Bin Al-Waleed, whom is believed to be "the greatest military general in history", and who campaigned in the Middle East about 630-650 C.E. Khalid Bin Al-Waleed was a commander in the service of prophet Muhammad (peace be upon him) and the caliphs Abu Bakr (r. 632-634) and Umar (r. 634-644).