The SAS Essential Survival guides are a hardworking series of practical survival handbooks based on SAS training and techniques. They cover every aspect of survival in the world's most inhospitable places and have the authority of being written by a top ex-SAS training instructor. Adapted from the comprehensive SAS Encyclopedia of Survival, each book contains information on basic survival techniques, including shelter construction, sourcing, water and signalling-essential skills which are required in any survival situation. Praise for the original hardback SAS Encyclopedia of survival: 'The most comprehensive survival guide ever written. ' Millitary Illustrated.