52 designs and front cover, back cover and paper box covering, so 55 total.
Designers (listed inside cover): Chizuko Aoyama Kazue Fujii Kinue Hanaoka Kazuko Hayashi Michiko Honda Sadako Hona Choko Kajitani Shigeko Kawai Matsuyo Kichimi Aiko Kitago Hideko Nagashima Hikari Ohonishi Mayumi Sato Yoko Saito Mie Suzuki Fujiko Takagi Kyoko Takagi Tomoko Tsuji Yoshie Wakahara Sadayo Yoshida.
Paperback published in 1977 by Japan Publications (USA)