The rest are in no particular order, just a jumble of stuff I like and a little synopsis why:
The Highlander Novels -- Okay, this was an obvious one. But I've pretty much liked them. My favorite is Jason Henderson's "Element of Fire."
Gabaldon, Diana, "Outlander" -- the first of a series of (as of right now) 4 books. Basic story is a woman going back in time 200 years to (at least in this novel) just before Culloden. I love the characters. Jamie Fraser ranks right up there with DM & CM. Gotta love intelligent but warrior-hearted Scots. I'm only 1/2 way through the second book, so I've only listed "Outlander." I thoroughly enjoyed it.
Harris, Deborah Turner, "Caledon of the Mists," "Queen of Ashes," "City of Exile" (trilogy) -- another good writer of "almost Scotland" stories, or at least near-Scot characters (it's all fantasy fic). I like Harris' style, and she writes a good action story with strong characters. (See next entry for more.) In this, she creates a fantasy world from the pages of Scottish history, which she has so wonderfully tweaked.
Harris, Deborah Turner, "Mages of Garillion" series -- a total fantasy story, but at least a couple of Scots characters (she writes the brogue so well sometimes that you have to read it out loud to understand it!). Like I said, I love her style. Harris has also written a series of "Adept" books (with Katherine Kurtz -- they're usually found under Kurtz's name), which are great character-wise, but a little weak in plot. I still like 'em, though. =)
Williams, Tad, "The Dragonbone Chair," "Stone of Farewell," "To Green Angel Tower" -- A thick trilogy that wanders quite a bit, but Williams is an engaging writer who, although taking his time pouring the foundation (first 100 pgs or so of the first book), builds a huge, magnificent palace of a series on top of that foundation.
Radford, Irene, "The Glass Dragon" -- A good bit of fantasy fic. Magic powers are genetic, and red hair means you have the potential for magic powers. This is also the first of a series, which has 2 follow-ups and now two prequels. I'm a dragon freak as well, so this is a good start. Speaking of...
McCaffrey, Anne - just about anything she's written, but primarily the "Dragonriders of Pern" series -- what can I say, this lady is the queen of dragon tales. If you haven't read her stuff, all I can say is, "do it!"
King, Stephen, "Eyes of the Dragon" -- Not the typical Stephen King book, I heard he wrote it for his daughter because she didn't like his other stuff. Very engaging fairy tale. Two words if you've read it: "King's Iron." That just cracked me up. (If you don't understand, read it and find out!)
Bradbury, Ray, "Fahrenheit 451" -- A classic and a must-read. It was originally written in 1950, and sounds so much like our society that it scares me. He was definitely more dead-on than a lot of the futuristic writers of the time. If Big Brother scares you, then this book will too. An all-time fave of mine.
Clarke, Arthur C., "2001," "2010," "2061" -- I really liked this series, as weird as it was. I haven't read 3001 yet, couldn't tell you if that's worth reading. 2061 didn't quite live up to its predecessors, IMHO, but still a good read.