This collection serves as a comprehensive archival record of botanical knowledge, cultivation techniques, and taxonomic updates regarding cacti and succulents compiled over nearly two decades. The editors, Grace and Rollerson, curated these volumes to facilitate the exchange of specialized information among enthusiasts and professional botanists during a period of significant interest in arid-land flora. The work functions as a historical repository of research, field observations, and practical advice for the maintenance of diverse succulent species.

The subject matter points to a dense, specialist archive intended for serious collectors and botanical historians interested in the evolution of succulent cultivation practices. The scope of the collection suggests a high level of technical detail that remains a valuable reference for understanding the horticultural standards of the late twentieth century.