(183 pages). The complete set of walks and the self guided bus tour, as featured on London for Free.
Explore all areas of central London from the East End through to Kensington and south of the river. See most of the major tourist attractions and sites.
Seriously, at only GBP 3.50 this book must be the best value in London. At least 12 full days of exploring, for under 30p a day!