Book excerpt: This study guide was written for those seeking to become California Certified Nursery Professionals (CCN Pros). Developed through a partnership between the University of California Cooperative Extension (UCCE) and the California Association of Nurseries and Garden Centers (CANGC), this practical, easy-to-use manual covers important topics on basic horticulture, soil, fertilizer, and water management, plant problem diagnosis, integrated pest management, landscape design, and nursery sales. It also contains an appendix summarizing nursery laws and regulations, a glossary and an index. From indoor plants to lawns – this is a valuable reference for any career professional in the garden retail trade. As the primary information source for home gardeners, well-trained staff knowledgeable in basic horticulture is important to retailers wanting to better meet their customer's needs.