Prince Harry’s memoir SPARE sold a total 1,430,000 million units on its opening day across the US, Canada and the UK — or about 1 million units in the US and Canada alone, given the earlier report of first-day sales of 400,000 units from Transworld in the UK. Penguin Random House said in a release that this is the “largest first-day sales total for any nonfiction book” they have ever published. (The previous record for Penguin Random House was the release of Barack Obama’s A PROMISED LAND in 2020, which sold over 887,000 units in the US and Canada on […]