Sufism or tasawwuf is defined by its adherents as the inner, mystical dimension of Islam. A practitioner of this tradition is generally known as a sufi. Sufis believe they are practicing Ihsan (perfection of worship) as revealed by Gabriel to Muhammad, "Worship and serve Allah as you are seeing Him and while you see Him not yet truly He sees you."
Huge fantastic photography books collection.
Embryology is the branch of biology that studies the development of gametes (sex cells), fertilization, and development of embryos and fetuses. Additionally, embryology is the study of congenital disorders that occur before birth.
Osprey Publishing is an Oxford-based publishing company specializing in military history. Predominantly an illustrated publisher, many of their books contain full-color artwork plates, maps and photographs, and the company produces over a dozen ongoing series, each focusing on a specific aspect of the history of warfare. Osprey has published over 2,300 books (as Sept,2012). They are best known for their Men-at-Arms series, running to nearly 500 titles, with each book dedicated to a specific historical army or military unit.[/quote
Metaphysics is a traditional branch of philosophy concerned with explaining the fundamental nature of being and the world that encompasses it, although the term is not easily defined.