Four correspondence course textbooks from the Japan Horticultural Association: Contents: Vegetable Cultivation Course, Volumes 1-4 1. Basics 2. Cultivation and Harvesting (Leafy and Stem Vegetables) 3. Cultivation and Harvesting (Fruiting and Root Vegetables) 4. Home Gardening / Sales Some important parts of the text have been highlighted with a highlighter during the course. (See example photo of highlighting) Thank you for looking.