Ooooh!! Ohhhh!! I know lots of those! I'll only tell you my favorite.
First, If you haven't read
Song of the Lioness, , and
Tricksters choice by
Tamora Pierce, those are all good reads for any age. Basically I recommend all of her books.
If you're looking at adult fiction, My favorite series to Recommend is
The Mercedes Thompson Series The first of which is titled
Moon Called. These are followed closely by
Alpha and Omega. Both are amazingly good series by Patricia Briggs. Neither of them have any explicit sexual content, though there is a rather sketchy scene in one of the Mercy books... I'm afraid I can't remember which.
Next is a werewolf novel called
Kitty and the Midnight Hour By Carrie Vaughn. These are very good, and not racy at all if I recall correctly.
This next series is a bit different, but very cool,
The Weather Wardens Very cool series with genies, not what I was used to reading, but really, really great! I haven't read her other series, except part of the Morganville Vampire series, which was good, but I lost track of which book I was on and have just been procrastinating reading through to find out.
Shifters does get a little sexy, more so than The Mercy Series, but is a neat twist on the wereanimals a story about werecats (lions I believe.. maybe others too? It's been a while). It may sound odd, but is action and romance filled and a great read.
And The last series I will pile onto this list is Laurel K Hamelton's
Anita Blake Series This one starts out relatively innocent, but turns MA a few books in. If that doesn't bother you, it is a great series, and looking it up to share a link with you let me know that two books have come out since I last checked, and I'll be running to my library to check them out right away!
Anyway I hope these help! and If you need more, I'm sure I can name a few