In today's economy, one sector is trending sharply up: backyard vegetable gardening. Americans are staying closer to home - literally tending to their gardens, by the millions. And they're reaching out for help and advice. Doug Oster, popular radio talk show gardening expert and newspaper garden & food columnist, gets more questions about tomatoes than any other vegetable. #2 is garlic, with basil close behind. It's time for a book about these favorites...