"Oldman's Bubishi: An Introduction to Bunkai from Karate's Kata" by Mark Cook is a 136-page spiral book published by Prairie Martial Arts in 2012. It serves as a comprehensive guide for those interested in the sports and recreation genre, specifically focusing on karate techniques. The book is illustrated and written in English, making it accessible to a wide range of readers. With a detailed approach to unraveling the mysteries of bunkai, this book is a valuable resource for martial arts enthusiasts looking to deepen their understanding of karate's kata movements.