This is a durable, useful, and transportable 'pocket version' of the soil manual. This paperback edition is bound in sewn signatures, like a hardback book, and the paper cover is laminated for durability. This edition is ideal for field work, as it is easily transportable and will not fall apart when taken into the field or when wet. Keys to Soil Taxonomy offers the latest available soil classification information, contains eighteen chapters, and includes and appendix and an index..