Spirit of Wonder (スピリットオブワンダー, Supiritto Obu Wandā) is a manga series authored by Kenji Tsuruta, originally serialized from 1986 in Kodansha's Morning seinen manga magazine, and later in Afternoon, until 1996.It was later adapted into a one-episode OVA in 1992, entitled Chaina-san no Yūutsu (チャイナさんの憂鬱, lit. Melancholy of Chaina-san) (released in North America as Spirit of Wonder: Miss China's Ring), animated by Ajia-do Animation Works and released by Toshiba-EMI.