Reading about Nature

I am in the process of trying to create reading lists for the different age groups of youth I work with...I am focusing on nature topics. There are a lot of good books out there, and I have found that particularly books about wildlife will get young people reading...That being said, if you have read any good "nature" books lately, could you post them here? Eventually, I would like to have some of my 4-H kids create an online book discussion. My main goal right now is to spark some interest and get adults reading and discussing. I have found that modeling a consistent quest for knowledge can really rub off on youth.
So, to get things started, I will share with you the 2 books I have read most recently: "Where the Wild Things Were" by William Stolzenburg - This book has enabled me to facilitate many discussions involving the importance of predators...it's supremely interesting.
The next one is "A Forest Journey" by John Perlin....the story of wood and civilization. Wow...this book is one all adults who have limited understanding about the role of wood (trees) in the evolution of societies all over the world should read...truly fascinating....Okay, one more...the best frog picture book EVER! "Frogs- Inside their remarkable world" by Ellin Beltz. Not only amazing photos, but some great knowlege...everything from anatomy & physiology to frogs in myth & culture.
Have some good nature reads to share? Know some books that youth would love? Share them here!