The Science of Attack on Titan

Shingeki no Kyojin Kūsō Kagaku Dokuhon (進撃の巨人 空想科学読本) is a book by Rikao Yanagita. It explores the theoretical scientific aspects of the nature of the Titans and the technology present in the story of Attack on Titan.

From the Publisher
THE (BRAZENLY MADE-UP) SCIENCE OF TITANWORLD!

''Tokyo University dropout Rikao Yanagita, head of the Sci-Fi/Fantasy Science Research Institute and author of dozens of bestselling books on the science of sci-fi, manga, and anime, tackles the mysteries of Attack on Titan! Why do Titans, come from the south? Is the maneuvering gear dangerous? How were the walls built? The unexpectedly scientific answers to these questions will blow your human minds! Read it alongside the Attack on Titan manga for even more fun surprises!''