At Sixes and Sevens, How to Understand Numbers and Make Maths Easy, HarperCollins Publishers, Dr Gareth Moore, Rachel Riley,Mathematical logic,Mathematical foundations, Dr Gareth Moore,, , United Kingdom, en-GBhttps://www.harpercollins.co.ukDr Gareth Moore, [BLURB],[CITY],,books, ebooks, biblet, Book2look