Sally Roth: Sally Roth, a lifelong gardener and naturalist, has written a contributed to many books, including The Garden Problem Solver and Weeds: Friend or Foe?. She has been a columnist for Organic Gardening magazine, a contributing editor at Fine Gardening, and a horticultural consultant to Time-Life Book
Jane Courtier: Jane Courtier has a degree in horticulture and has written may gardening books on such topics as perennials, indoor plants, vegetables, and container gardening. She contributes articles regularly to a variety of consumer magazines, writing on a wide range of gardening topics.