The Interior and Exterior in Zen Buddhism was written by Toshihiko Izutsu, published by Spring Publications, Inc. and was printed in 1975 in a Paperback binding.
Toshihiko Izutsu was a university professor and author of many books on Islam and other religions. He taught at the Institute of Cultural and Linguistic studies at Keio University in Tokyo, the Imperial Iranian Academy of Philosophy in Tehran, and McGill University in Montreal, Canada.