'Philosopher Jack' is a naval adventure novel penned by R. M. Ballantyne. The story begins by introducing us to our protagonist, a college student named Jack (also known as Edwin), who is known for his argumentative nature and has been dubbed "Philosopher" by his college companions. He is struggling with the question of the purpose of his existence and is feeling bitter about it. Jack is considering taking drastic actions—such as going to sea or giving up on life. Eventually, one of these choices would end up changing his life forever…