No More "I'm Done!" is a really good resources for implementing Writer's Workshop mini lessons. It comes with a years full of good mini lessons.
I just finished reading The Book Whisperer and it really made me think about teaching reading in a different way. I would say the theme of the book is that teachers often spend so much time teaching reading strategies, and they never allow their students time to actually read. After reading this book I allowed for 45 minutes each day for silent reading time. I have seen a lot of growth in my students scores using what I have learned from this book, not to mention how much my kids enjoy reading now.
I am reading The Cafe now and I am excited to use what I have learned in my classroom.
I also borrowed Debbie Miller's Reading With Meaning t read this summer. I am excited to read this because next year I am implementing Reader's Workshop for the first time. If there are any other really good teaching books that you have read please leave a comment. I would love to hear from other teachers about what books have influenced their teaching practices.