Here is a a list of posts that discuss using raised beds for gardening.
Designing a Raised Bed Vegetable Garden: 11 Things to Think About
Companion Planting Vegetable Garden Layout
The Benefits of Gardening in Raised Beds
My Vegetable Garden Layout
My Vegetable Garden Layout Part 2
New Raised Bed Vegetable Garden Layout
Building My Raised BedsLabels: gardening, Gardening Projects, raised beds, vegetables