Thanks, Amazon! How did they know its my birthday!

I've had two e-mails from Amazon offering to buy back a couple of books I'd bought last year (the old Flames of War rule book and a book about tanks).  I was going to try and sell the FoW rules on eBay anyway but wasn't confident of getting much  for it (since the new rules have come out there's been a flood of the old rules for sale).






So between them both I've got £25 to spend - albeit at Amazon!  But I've had my eye on this book and now - thanks to Amazon - I can spring for it!  So thanks for the birthday pressie, Amazon.