Metro Publications has published many wonderful guidebooks (primarily about London, but also including Oxford, Cambridge & even Edinburgh) - and I own most of them at this point. The books are all small in terms of dimensions (making them great to carry around when exploring), but quite substantial in terms of the contents and number of photos. My very favorites are the walking guides - and also "London's Parks and Gardens", "London's Cemeteries" & "London's Monuments" (London is absolutely the greatest city for its profusion of beautiful statuary). Some of Metro's books have been updated and expanded, which is great for those of us who can't get enough of London. read more