For those of us into wartime history or just the great man himself, Amazon is currently offering all seven Kindle volumes of Martin Gilbert’s acclaimed biography of Churchill for the princely sum of…nothing. Zero. Zip. £0.00.

Of course, this should be a no-brainer, but each volume is colossal in size, so I imagine all of them would wipe out any spare capacity your Kindle might have, and then some. Perhaps cherry-picking one or two might be more manageable…