Aikido cannot be learned from books or from teachers who have learned from books. To study Aikido, one needs to find a qualified teacher probably, to join a school. And, as Aikido becomes better known, more fashionable, and more lucrative, potential students need to be increasingly careful in choosing teachers and schools. But how should people go about choosing? When deciding whether to join a certain Aikido school, what should people think about? What should they look for in a teacher?