firstname.lastname@example.org and you're entered! It's a way of rewarding loyal customers.
No additional purchase necessary but note that all photos sent become the property of Yoe Books and may (or may not) be used in future promotions for Yoe Books without any additional permissions or compensation. So don't go for a masterpiece here. Just a webcam shot like mine above will do fine.
The contest ends at Midnight EDT on April 1st so start clicking now and you can win this fun volume of giant green monster stories! One customer on Amazon said that the barcode alone is worth the price!