Just remember,, it always gets darkest just before the lights go totally out.
“Lights Out” by David Crawford
http://www.amazon.com/Lights-Out-David-Crawford/dp/0615427359/ref=sr_1_1?s=books&ie=UTF8&qid=1363402294&sr=1-1&keywords=lights+out+david+crawford
is a good companion novel to “One Second After” by William Forstchen
http://www.amazon.com/One-Second-After-William-Forstchen/dp/0765356864/ref=sr_1_1?s=books&ie=UTF8&qid=1363402432&sr=1-1&keywords=one+second+after