It varies, the one called bookpages.co.uk became amazon.co.uk almost immediately, mobipocket sort of disappeared into Kindle services, bookdepository (a later U

It varies, the one called bookpages.co.uk became amazon.co.uk almost immediately, mobipocket sort of disappeared into Kindle services, bookdepository (a later UK purchase) continues to operate in its own fashion, shipping books for free in padded envelopes one at a time.