PONTIAC G6 ENGINE NOT RUNNING

When I Turn The Ig­ni­tion All I Get Are Clicks. Every­thing Comes On, But No Start Of The Car. The Car Runs Very Well No Check En­gine Light...

Drove Car To Work, Ran Fine, Shut Off And Would­n't Start Back Up Af­ter End Of Shift. Cranks Fine But Won't Even Try To Start....