Two people who have completed the pilgrimage twice – first on horseback then on bike – have produced a very detailed blog and two guidebooks. The blog is at http://www.pilgrimagepublications.blogspot.com and the guides can be purchased at
http://www.pilgrimagepublications.com/EUShop/PayPal/ppvfbooks.html . They seem t be cheaper at Amazon.co.uk…..