“31 Weeks” is a 300 page book highlighting most of the major Cardano NFT projects in the first 31 weeks of the existence of the space.The book was released as an open mint during epoch 303. 805 copies were minted total. Links and metadata for each NFT included in the book, as well as a brief history or personal story about the pieces. Designed by, and CNFT collection held by withspaces.