Brian John has written many walking books, including a series for the Pembrokeshire Coast National Park and the official Pembrokeshire Coast Path National Trail Guide for Aurum / HMSO. He has also produced walking guides for the Norwegian Glacier Museum. Some of these are still in print; please Email Greencroft Books if you want details.

The Carningli Walks booklet continues to be popular, and other titles are planned.

Bluestone Country: The Carningli Walks edited by Brian John. Text by Robin Evans, Peter Harwood, Brian John and David Vaughan. 1999. ISBN 0 952407 10 8, paperback, 48 pp, £5.50 (Published by Carningli Rural Initiative. Distributed by Greencroft Books for Newport Town Council.)

The revised edition of this very popular walking booklet is still available. It contains route information, maps and illustrations, together with information on points of interest, for seven walks in the Carningli-Newport-Nevern area of North Pembrokeshire