5. Revamp old pages into a boutonniere or bow tie:
Learn how to make a DIY boutonniere here.
15. For wedding favors, set up a mini library — and let guests pick their favorite book.
Scour used bookstores for fun vintage finds — or take a page from this couple, who gave out the titles they loved most as kids.
28. Get creative with the cake:
Spectacularly nerdy wedding cakes FTW.