But first, why would you want to take apart books? Well, the main reason would be durability. If you have students who handle books excessively, put things in their mouths, have spastic or otherwise tight grips, you are going to have a lot of ripped and ruined paperbacks on your hands. Laminating saves a lot of books! Great for early childhood and special education teachers alike!
Another reason would be adaptability. Making already-published books interactive is an easy, inexpensive and effective way to get at some literacy skillls, IEP goals, and general accessibility. And that's just plain easier when you've already laminated the pages.
So, here's how I do it - super quick and easy: