Line by Line: The Scottish Highland Lines ISBN-13: 978-0953754052 might be what you are looking for. Price: £17.95. See http://www.transportdiversions.com/publica....asp?pubid=5674 for more details.
Other books that may be of use are 'QUAIL RAILWAY TRACK DIAGRAMS - GREAT BRITAIN' Book 1: SCOTLAND & ISLE OF MAN. ISBN: 978-0-9549866-3-6 Price £11.95
Also "Rail Atlas of Great Britain and Ireland 11th Edition" ISBN-13: 978-0860936022 Price £9.74.
Other books that may be of use are 'QUAIL RAILWAY TRACK DIAGRAMS - GREAT BRITAIN' Book 1: SCOTLAND & ISLE OF MAN. ISBN: 978-0-9549866-3-6 Price £11.95
Also "Rail Atlas of Great Britain and Ireland 11th Edition" ISBN-13: 978-0860936022 Price £9.74.