Kenji Tomiki authored several books, primarily in Japanese, exploring the concepts and techniques of Kodokan Judo and Daito Ryu Aiki-Jutsu/Aikido. His notable works include:

Judo Taiso: His first book, focusing on Aikido techniques designed to be integrated into Kodokan Judo.
Aikido Nyumon: His second book, which delves deeper into the principles and techniques of Aikido.
Goshin Jutsu Nyumon: A book that presents Aikido as a practical method for self-defense.

Find here some examples from Goshin Jutsu Nyumon