14. Pipe and wood bookshelf
If pipes with their thin shaft seem to put your books in unstable position, pairing those pipes with wooden boards is always a good idea. (via diycandy)
15. Wheeled bench bookshelf
This bookshelf is a little bit tricky to make, but the materials needed for it are easy to get. Basically, you need to install four casters on a pine wood board that will become the base, fix a pair of front-facing milk crates on the board, and then fix another board on the top of the crates. If you do them correctly, you can have a sturdy bench that you can sit on. Your books can be stacked horizontally between the crates. (via buzzfeed)
16. Rope bookshelf
This bookshelf is basically similar to hanging bookshelf, except that you need to use a rope to hang wood boards on which your books are stored. (via banggood)
17. Larger hanging rope bookshelf
If the above-mentioned rope bookshelf is too small, you can use larger boards and stronger ropes to make a larger bookshelf.
18. Wooden cable spool bookshelf
If you turn a cable spool horizontally, you can have a circular bookshelf that looks chic. Install casters underneath it to make it a portable shelf. (via amazinginteriordesign)
19. Wine crate bookshelf
Hang wine crates on a wall using L-brackets so that its opening is on its front. Decorate its exposed base by painting it and the crates are ready to store your books. (via newengland)
20. Document holder bookshelf
A wooden document holder normally faces upward with its opening on its top. Try to turn it horizontally so that its opening faces forward and then fix it to the corner of a wall. You can put the books on its horizontal side and put smaller objects inside its hollow center. (via fresher)
21. Pegboard bookshelf
Insert colored pencils in the peg holes, arrange them horizontally and bind them with string. You can put your books on those pencils and secure them with the string. (via howyoudiy)
22. Fabric bookshelf
Fold a piece of rectangular fabric twice and stitch or sew their ends. Insert a pair of curtain rods in the looped fabric and then install the rods on the wall using 2 double curtain rod brackets (one for each end). You can now put your books in the looped fabric. (via gingiber)
23. Spice rack bookshelf
Nail spice racks on the side of IKEA bookshelf and the racks will turn into functional bookshelves. (via designgalleryqatar)
24. Stacked benches bookshelf
It is pretty simple. Stack two or more benches vertically and you can make a functional bookshelf from the combo. (via chippingwithcharm)
25. Stained plywood book display
Prepare a number of short plywood boards with different lengths and then glue them. You can display your books on the glued boards. (via buzzfeed)