Klaffi Foldable Wall Shelves :: It comes in two sizes: small (10 x 75 inches, width x height) and large (14 x 75 inches). Both feature multiple shelves that you can fold and open at your discretion. The Klaffi comes in black, natural wood and white finishes. They're expensive, though, with prices starting at €310.
A minimal, single-serve shelf, Foreword keeps your favourite title within reach. Hang just one or in multiples. // Shelve a book at a time, whether you’re in the middle of reading it, adding it to your book queue, or in love with the cover. Keyhole hangers allow this shelf to be hung horizontally, vertically, or at a 45. Use for easy access, display, and reading lists. // www.saidtheking.com