Charity shop bargain of the week

The Lost City of Z was on my Amazon wishlist until I spotted it yesterday in my village charity shop for the price of... 50p!! You can't even buy a chocolate bar for 50p, it's so crazy cheap and in good condition too. The question is, why books are deemed almost worthless nowadays?

This is the story of English explorer Percy Harrison Fawcett, who in 1925 set off with his son to find the fabled lost city of Z, deep within the Amazon forest.