Can a nerd and a golden girl ever be best friends? The bittersweet story of what happens when Jem Martinic and Mackenzie Woodrow meet and swear to be enemies forever.

"I solemnly swear that I will never, ever be friends with Mackenzie Woodrow as long as we both shall live," said Jem. "Excellent," said Mackenzie.

Jem is smart, forthright, and a nerd. Mackenzie is a golden girl, excelling at schoolwork, sports, and drama, and popular with everyone. One night at camp, Jem and Mackenzie strike up an unlikely friendship and are soon spending all their time together. But when camp ends, can Mackenzie and Jem maintain their bond at school, with all its unspoken rules, fierce cliques, and easy misunderstandings? This lively and poignant story captures the intensity of true friendship.