Free fiction: James H Schmitz's famous novel "The Witches of Karres"

At Baencd. [via Free SF Reader]

This is probably the most famous work of Schmitz, & is included in Ben Bova's "The Science Fiction Hall of Fame, Vol 2B".

A space opera that's difficult to summarize but fun to read - hero rescues 3 young girls from slavery & the adventure begins. Magic, dimensions-crossing bad aliens, other dangerous aliens, lost people, ...