Treasure Books

Super simple -- can recycle junk mail envelopes for this for the "treasures".
Great way to use scraps of wallpaper or contact paper for the covers.
Like the use of duct tape for the binding.

Tutorial

Stash and Smash Journals

Recycle junk mail envelopes, paper bags to create this funky work of art.

Junk Mail Flip Book

Updated post

This project is one to do if you have time and want to impress as a gift.
You can take away many ideas from it and make your book smaller also.

Junk Mail Flip Book Tutorial at YouTube