These are some resources that might help you with your sketchbook assignment. In addition to these, you might also look up commonplace books, smash books, and altered books.
Ever heard of an altered book? Well, they're pretty awesome. Junk journals are a combination of that idea and art journaling. Its a book you build from scratch, with additions like journaling cards, tags, and pockets, instead of just pages. These links are to videos, examples, techniques, and information that might help you.
- https://www.youtube.com/watch?v=aJS2VbqHvD4 - You Tube tour through possible items that can be used from the Dollar Tree. Would also easily apply to other kinds of journals!
- https://www.youtube.com/watch?v=9XzOkmNoEAI - This is a flip through of a few different kinds of junk journals.
- https://www.youtube.com/watch?v=WvsftYKuV0Y - This video gives some explanation of the different types of journals. Just in case you're confused.