Here is another recycling project I have wanted to try for a while: map books.
Both are bound in the same way: 4 signatures stitched together with coptic (chain) stitch and the boards covered with pieces of maps. The book on the left has an added spine covering of tanned and dyed salmon skin with natural contours left intact. I may add leather to the second book as well. Ideally, I would like to find fish leather in one of the colours used in the maps - green or tan for preference.
BTW, the book on the left looks skewed because tension in the leather keeps it slightly open. It should get better after a few hours in the book-press.