Published by Futami Shobo in 1981, ～250 pages, 17×11 cm
First edition, softcover with obi, text in Japanese.
Condition: Near Fine with obi (slight tanning to obi)

The Koibitotachi series (10 volumes) depicts sexy women and spy camera techniques.
These photo books lead to Kohei Yoshiyuki and Ikko Kagari, who gained their names by shooting with an infrared camera.
This particular volume is fully about voyeurism.