I'm a Goodreads refugee, looking for a new home. Old books for children, science fiction, fantasy, mysteries, and humor are my main areas of interest. I've little interest in books that were written after 1975 or so, and prefer books that are older still. There are, however, a few still-living authors that I respect.
An imaginative and well-written book about various branches of science developed to an unheard-of degree by the descendants of rebels on a prison planet. Quite a memorable work. Unfortunately Card rather ruined it in a later re-write under the name Treason.