Book Series - Yea or Nay?

I recently dove back in to the world of highlanders and time travelers in Diana Gabaldon's An Echo In The Bone. It's been at least a couple of years since I last read a book in this series but at two pages in I was completely immersed in the world of Jamie and Claire Fraser once again. And did you see the series on Starz? If you're a fan of the books you need to watch the series - very well done!

I love a good series, especially one that can transport you back so quickly with each book. But, I...