UK: Please buy from your local independent, or Waterstones. You can also buy from Bookshop.org where I and UK independent book shops will get a share of the sale.
US: Please buy from your local independent, or another bricks-and-mortar bookstore. You can also buy from Bookshop.org where Tin House and US independent book stores will get a share of the sale.
Canada: Please buy from your local independent, or another bricks-and mortar bookstore such as Indigo.
Rest of the world: Please buy from your local independent wherever possible.