If you choose this approach make sure you use acid free paper. Even then the ink will begin to fade in 10 years or so unless you use special artist ink that is guaranteed not to fade. Many print shops now have high quality equipment that will give your finished product a very professional look. This could be expensive, however. This is usually the most economical way to go.
Some people use a three-ring binder for their book.
Adding pages is easy using this method but make certain it is a good quality binder. Many publishing companies advertise in the genealogical periodicals. Contact several of them for their prices and methods. I have printed family genealogies using FTM and wordperfect. Either Wordperfect or Word provide for publishing today.