In order to get your print photos into photo books, you'll want to scan them into your computer. This is relatively straightforward if you have a printer at home with a flat bed or access to a flatbed stand alone scanner. As each printer and computer setup is very different, I cover only the basics here, and provide links to additional detailed articles.
Most of us are intimidated by our piles of photos and never get around to organizing them. However, if you consider that you are just going in to grab the 'highlights' and leave the rest for another day, it's a much less daunting task. You can always come back later for more.