Lyle Brotherton is a member of a Scottish mountain rescue team and both lectures and instructs 'Advanced SAR Navigation' to Mountain Rescue and Search & Rescue teams, plus the Special Forces. He also advises the UK & US Governments on navigational strategy in Emergency Management Planning and works with international governments post major disasters, such as the floods in Pakistan, 2010. In writing this new book he worked with over 130 Search & Rescue teams in 22 countries. Since the publication of the Ultimate Navigation Manual, The Royal Institute of Navigation have awarded Lyle Brotherton their Certificate of Achievement in honour of his 'outstanding achievement in writing... a comprehensive book for Land Navigation'.