Four Years Too Long [ON HOLD]

What if Cammie and Zach knew each other before the exchange? What if Catherine never worked for the COC? What if they fell in love at the age of twelve? What happens when the Gallagher/Blackthorne exchange rolls around?
What's the answer to these questions? Don't ask me! Ask the book! *cough* read the book *cough, cough*
Also, I may or may not have added a couple more twists to the story...
DISCLAIMER: I do not own the Gallagher Girls series.