After some searching and longer (a lot longer) process of ellimination (damn, I wish this could be a top 50 at least

) I came up with this list.
1. Robert Heinlein "Time Enough for Love"
2. Frank Herbert "Dune"
3. Glen Cook "Black Company"
4. Roger Zelazny "This Immortal"
5. Raymond E. Feist "Magician"
6. Dan Simmons "Hyperion"
7. Harry Harrison "The Stainless Steel Rat"
8. Steven Brust "Taltos"
9. Isaac Asimov "Foundation"
10. Lois McMaster Bujold "Memory"
Only one book from each author, although I'd really like to add some secondary books, but my favourite authors list is way too long