Composting is discussed, fixing the soil, and it even suggests some natural methods of pest control which are useful to all gardeners no matter what kind of plants you like to grow.
The 20-Minute Gardener is a good resource for gardeners needing advice on how to spruce up their gardens and may not have much time to spare. It's good for beginning gardeners who may be struggling with ideas to make their gardens more attractive and easier to handle.