Useful, practical advice covering a gamut of info from basic veggies to grow, to tips on raised beds for the disabled and even a section on polytunnels. It's all common sense stuff, and could be found separately online but works well as a kindle ebook.
There is specific advice on growing in the USA particularly on regions (i.e. the 11 zones of the US by average annual minimum temperature) but the rest of the world can simply skip those couple of pages as the rest of it is based on general principles.
Much of the book is taken up with vegetable specific advice with description as well as a table listing best soil, location, companion plants, watering and other 'at a glance' essentials for that plant.
Advice on topics such as beneficial weeds, composting, equipment and a few recipes round out the 5121 locations in this ebook.
A good buy if you want simple, easy to follow instructions. This is definitely a hand holding style of ebook, and will help you get the most out of your patch of the world.
Possibly a little expensive given the availability of most of this online for free, but the quality is good and it's laid out in a simple way. One improvement I would like to see is greater indexing - a clickable link of veggies etc so you can quickly find the bit you need rather than scrolling through would improve usability. In that way, the paperback is probably a better bet than the eBook version.