Here's some reading for your edification...
Free - Baen book free library ($4 contributions accepted)
David Drake - Old Nathan - Historical Fantasy set in the 1830's Tennesee (by a hard science fiction writer)
Keith Laumer - Retief! (humorous satirical SF)
James H Schmidt - Tezley Amberdon - (telepathy)
James P Hogan - Inherent The Stars - (Space Opera, 1st in a trilogy)
Andre Norton - Time Traders - (Time Travel)
Eric Flint - 1632 - (Alternate History)
And if you can handle bad science in science fiction (for historical purposes)...The First readable Space Opera - Skylark Three (just to see where S/F has come from....) Project Gutenberg
A variety of types and styles, and competitvely priced.