A district form that I typed up and color-coded (we use Fountas and Pinnell guided reading levels). It's a really important resource, as I have ELL students reading from a pre-K level all the way to a 5th grade reading level. I've used this chart for years and it really helps!
Wicked Fun in First Grade How to use Reading A-Z boooks in your classroom library. After you fold the pages and cut the laminating, (only laminate the cover) you staple the books together. Then,Duct tape!!! Different colored tape for different levels! Genius.