This is an easy way for students to keep track of their word wall, spelling, or interesting words the find in books. Every time they learn a new word they can add it to their spelling dictionary. In my class I use this book as an editing tool. When they are reviewing their spelling they can use their dictionary. If they come across a word they don't know how to spell they can look it up.
For more ideas come check out my blog: http://thecrazyadventuresofauniversitygrad.blogspot.com/