Fabelhaven by Brandon Mull

Kendra and Seth's parents are going on a cruise, and the kids are going to visit with their grandfather whom they barely know.  When Kendra and Seth arrive their grandfather gives them a specific set of rules to live by, and tells them that certain parts of the property are completely off limits.

What Kendra and Seth do not know is that these rules are in place to protect them, and everyone else at Fablehaven, one of the last refuges for mythical creatures.  The kids find this out quickly when they break the rules and put everyone in serious danger.

I've heard good things about this series and, after a slow start, I did enjoy the book.  I will say that the younger brother was very annoying though and I kind of wanted to smack him one.  I loved the different creatures throughout the book and would like to read more in the series.  This book is great for older elementary and middle school readers who enjoy a fun fantasy story.