Nice thread!
Here are so many good writers here; That it's very difficult to mention one from another. Momentary I'm having fun reading: "Tracy in trouble" by Charles Frank. I really like High school scenarios and girl, girl action. <i also like young girls dominating elder females. But I'll surely take a closer look at some of the authors mentioned. Especially Nikita.
Outside the forum, I like Campell, Pauline Reage (Who haven't read the story of O) and of course the master himself, Marquis De Sade. For toher scandinavians & other who can read Danish I'll recommend Louise Lykkes, Danse danse dukke min. In English, Dance, Dance my dolly.