- Small trees, Allen J. Coombes
- The American Horticultural Society A-Z encyclopedia of garden plants, Christopher Brickell, Judith D. Zuk editors-in-chief
- Plant propagation, [the fully illustrated plant-by-plant manual of practical techniques], Alan Toogood, editor-in-chief ; Peter Anderson, photography
- New encyclopedia of gardening techniques, David J. Ellis ... [and others]
- Pests & diseases, Pippa Greenwood ... [and others]
- Arches & pergolas, Richard Key
- The American Horticultural Society encyclopedia of gardening, editor-in-chief, Christopher Brickell, editor-in-chief, American Horticultural Society, Elvin McDonald, consulting editor for Canada, Trevor Cole
- The American Horticultural Society encyclopedia of garden plants, editor-in-chief, Christopher Brickell ; horticultural consultant, John Elsing
- American Horticultural Society encyclopedia of plants & flowers, editor-in-chief, Christopher Brickell