Harpenden to Hemel
by Sue and Geoff Woodward this book is a must for those interested in
the Nickey Line. It very comprehensively covers the history of the Harpenden
to Hemel Hempstead Railway in detail from the announcement of the project
in 1862 through the years to its demise and its eventual conversion
into a cycle track.
book is illustrated with many photos from a variety of souces and also
includes maps and timetables.
published by The Oakwood Press of Oxford in 1996 the book is available
at good bookshops.