30+ Crazy Japanese Inventions That Are… Simply Awesome? (Part 2) 3. Book Holder Source: http://vivas.us/ This amazing book holder is adjustable to different reading angles and makes your life so much easier. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31