There are hundreds of ways to build bookcases — from 1x12s stacked on cinder blocks to complex, hardwood masterpieces — but this design from Popular Mechanics strikes me as a good compromise. It’s simple, and you can built it with inexpensive wood, a few hand tools, and a circular saw.
If you — like me! — are addicted to books and need a place to store them more than you need a work of furniture art, this design is for you. Best of all: these aren’t just plans. The article includes step-by-step instructions complete with diagrams like the one you see above.
How To Build A Bookcase [Popular Mechanics]