This book provides information about plants that are edible or have other uses. They can all be grown in Perth, Western Australia and would also grow in places with sandy soils, such as Florida or the California coast.
Growing food is going to become even more important as time passes, it is a great pastime and you know what is going into your vegetables and fruit if you grow it yourself.
Many plants have uses that are not widely known. Many 'weeds' for example are actually quite nutritious, are easy to grow and some even taste okay.