In The Truth about Organic Gardening Gillman examines over a hundred traditional gardening products and protocols, both organic and synthetic, to determine whether they are safe and effective. He provides facts about synthetic and organic techniques and encourages the reader to make educated decisions about her own garden.
In Carrots Love Tomatoes Riotte tells how a gardener can use the natural characteristics of plants to protect and support other plants. She provides a complete reference of which plants benefits others, which repel bugs and pests, and which plants don't grow well together.