Succulents are increasingly popular in the face of the need for water-wise gardening, and this handy book serves as a guide to many well-known varieties

This practical guide describes the stage by stage development of a new method for predicting the penetration rate (PR) and the advance rate (AR) for tunnel boring machines based on an expanded version of the Q-value, Qtbm.The book also looks at logging methods and tunnel support design.

Aloes are stately succulent plants that capture the allure of the African savanna. Aloes in Southern Africa explores the character and biology of African aloes, their habits, characteristic features and distribution in nature. It details 58 aloe and related species, cultivation and propagation, gardening styles and plants that flourish in different regions, plus medicinal, cosmetic and culinary uses. Whether you are starting a garden, redeveloping one or simply looking to expand your knowledge of these fascinating succulents, Aloes in Southern Africa will prove an invaluable guide.

This text gives biographical accounts of the leading plant collectors and their activities in Southern Africa from the days of the East India Company until modern times.

South Africa is broken down into 16 main regions and each region is accompanied by a map of the area as well as a concise description of the succulents to be found there, along with photographs of the region's typical landscapes. The succulents are illustrated by means of Elizabeth Bodley's beautiful and accurate illustrations, together with a number of photographic plates which enable the reader to easily identify the species concerned. Contributions from other experts in the field ensure that this is a most comprehensive field guide.

This series of natural history field guides has been developed in the hope that young people and anyone with a budding interest in natural history will take up the challenge to learn the secrets of Southern Africa's fascinating fauna and flora.