Seventeen-year-old Cameron Martin has a huge problem: he's aging a whole year of his life with each passing day. High school is hard enough; imagine rapidly aging from seventeen to seventy in a matter of weeks, with no logical explanation, and with prom, graduation, and the state championship basketball game on the horizon. That's what happens to Cameron, a mischievous pretty boy who has never had to face a day looking anything but perfect. It starts with a slowing metabolism, followed by gray hair, wrinkles, and heart palpitations. Within days his girlfriend dumps him, his plastic surgeon...

Cameron Martin has a huge problem: he's aging a whole year of his life with each passing day... again. And this time... he's going backward When Cameron proposes to his beloved witch of a girlfriend Liesel, he thinks life can't get any better. But when he reluctantly breaks off the engagement just days before the wedding, Liesel angrily unleashes another curse on the unlucky guy, this time making him age backward, from eighteen, all the way to zero. Making matters worse, Liesel mysteriously disappears, leaving Cameron with no options, except watching himself rapidly shrink into a helpless...

Newlyweds Cameron and Liesel Martin aren't able to celebrate their wedding bliss for long. Not only is Liesel unexpectedly pregnant... they're also facing the end of humanity Liesel's evil witch sister Hannah has cast a spell to make all humans on Earth age a whole year with every day. It's up to Cameron and Liesel to stop her... and save the world Who will survive? And who will perish? Here it is at last... the third and final epic chapter of the Birthday trilogy... Happy Birthday to You