The Hundred-Year Christmas
David Morrell
 The novel concerns the friendship between Father Christmas who lives for 100 years and Father Time who lives for only one. Each year Santa Claus watches a new version of his friend grow old and die, before being replaced, however Santa's hundred years is up and it is now his turn to find a replacement. If he fails then no one will be around to take care of the infant Father Time and time itself will stop.