Oak bookcase plan from fine woodworking. continue to 9 of 14 below. 09 of 14. built-in bookshelf plan. this old house. here's another free bookcase plan from this old house, this one for a 6-shelf built-in bookcase that you can adjust to fit your own space. besides detailed building instructions, this free bookcase plan also includes diagrams. Basic woodworking. learning how to build a simple bookcase is a terrific exercise in basic woodworking. bookcase plans like ours will open your eyes to a world of larger possibilities in home improvement and furniture design. build your own bookcase this weekend, and start the journey! biscuits (not the kind you eat)..