I agree with so many of the books already mentioned!!
I loved the Laura Ingles Wilder books... the "Little House" series and the Anne of Green Gables series.
Also, Gary Paulsen's The Hatchet and the follow-up book The River.
When I was really young, I loved the Beverly Cleary books. (FYI - not to be anal-retentive, but Ramona the Pest and the other Ramona books were written by Beverly Cleary, not Judy Blume.)
I also really liked Cheaper by the Dozen and Little Women.
In high school I loved the classics from England: Jane Austen's Pride and Prejudice and Sense and Sensibility, Bronte's Jane Eyre, and Dicken's Great Expectations and David Copperfield. I love literature from that time period!
Oh my, I getting very nostaglic!!
To take the first step in faith, you don't have to see the whole staircase: just take the first step. - Dr. Martin Luther King