OT J213806.6+261957: stage B superhumps Josch Jambsch, Roger Pickard, Osaka Kyoiku U. team, Kiyota-san, Akazawa-san, Itoh-san, Shawn Dvorak and Tamas Tordai have reported new observations. The data showed stable stage B superhumps with a period of 0.05488(1) d without significant period variation.