ADVANTUS-Tim Holtz Idea-ology Grungebook. A Grungebook is a plain chipboard book that is perfect paper crafting; journaling; or memory keeping. It can be altered with a variety of crafty mediums to become whatever you want it to be. Each Grungebook has twelve 6x6 inch pages (each 1/16 inch thick) and includes two 1-inch jump rings to bind them all together. This package contains one Grungebook. Imported.