Physiology and psychology cover, between them, the field of vital phenomena; they deal with the facts of life at large, and in particular with the facts of human life.
Bio: John Marsden was an Australian writer and teacher. He wrote more than 40 books in his career including his young adult novel Tomorrow, When the War Began, which began a series of seven books. His books were translated into more than eleven languages including Norwegian, French, German, Swedish, Dutch, Danish, Italian, Polish, and Spanish.