Amazon has The Everything Grow Your Own Vegetables Book: Your Complete Guide to planting, tending, and harvesting vegetables (Everything (Home Improvement)) for FREE download to your Kindle. If you don’t own a Kindle you can install the Kindle version for your PC, Android, Tablet, etc. and still get all the free books! Read more about this book from Amazon’s description:

You will find affordable tips on how to plant and harvest more than thirty common vegetables, from spinach and eggplant to corn and beans. Abbott’s expertise shines on planting, fertilizing, watering, weeding, and troubleshooting. This book has everything you need to grow fresh, delicious veggies in any climate, any time of year