At the link they claim this to be the easiest to build dining chair ever. It does seem pretty straight forward. Try it for yourself using the free plans.
Build a set of farmhouse style dining chairs using the free woodworking instructions located at the link. You can also download the free plans.
This chair features a curved back leg, tapered front legs and an upholstered seat. Here are the free woodworking plans to build it.
Build your own set of chairs using these free woodworking plans. Not as hard to do as you might think.
These dining chairs feature a floating seat and solid back. Here are the step-by-step instructions to build a set.
These chairs are of a very basic and sturdy design. The key aspects of the design is that the back and back legs are of the same piece, and the hand-carved chair back rungs.
This is a link to a Google 3D SketchUp drawing for a simple Mission side chair. You will need the SketchUp software to download this drawing and its freely available online.