Overwhelm your room with a Concave Bookcase by British designer Simon Pengelly. The Concave Bookcase is inspired by the need to hoard a plethora of books and memorabilia with drastically differing sizes. As much as you’d like to fill this ingenious bookcase, it’s best left minimal so you can at least appreciate this impressive masterpiece. Meticulously crafted down to the minute detail, this contemporary bookcase is built for generations to come. The Concave Bookcase is produced in two halves, available in Oak or Walnut, and can be purchased at Joined + Jointed online store.