Digital purchases are from the online store Sellfy.com, whose store front is embedded below. For sale is the ebook for £5.00, and PDF files of selections of book chapters for £1.50 each. Several of the book chapters can be downloaded for free:
Preparation chapters (free)
Day 1 (free)
Side Tracks and Loops (free)
References (free)
Background Chapters for £1.5
Nature
Culture
Falaj Irrigation
History
Days 2 to 5, 6 to 8, 9 to 12 and 13 to 16 for £1.5 each
