This author wrote a work 
This author wrote a work in which the Duke and Duchess of Falvertoon are getting divorced but go on strike during the proceedings, and also wrote of a bachelor who was able to quiet a group of children by explaining how Bertha, a "horribly good" girl, was devoured by a wolf. This author of "The Unkindest Blow" and "The Storyteller" wrote about two rivals stuck under a (*) tree who end a feud by becoming friends before seeing a pack of wolves. The title character kills Mrs. de Ropp and is worshipped by Conradin in a work about a pole-cat ferret by this author who also wrote a work in which Mr. Sappleton and his dog are thought to be ghosts by Mr. Nuttel who then runs away. For 10 points, name this author of "The Interlopers," "Sredni Vashtar," and "The Open Window."
This author wrote a work in which the Duke and Duchess of Falvertoon are getting divorced but go on strike during the proceedings, and also wrote of a bachelor who was able to quiet a group of children by explaining how Bertha, a "horribly good" girl, was devoured by a wolf.