There is a new walking guide to be published by Cicerone in January that looks as though it could be quite good. This guide comes complete with its own 1:25,000 OS map booklet, and individual 1:100,000 route maps.
Pennine Way 2005&2014; C2C 2006; SWCP 2007; WHW 2008; GGW 2008; Dales Way 2011; Clev.W 2012; Yorkshire W.W. 2012; Offa's Dyke 2013; Peddars Way & Norfolk Coast Path 2014; Pembrokeshire Coast Path 2015: Land's End to John o'Groats in stages 2018.