Extraordinary by Nancy Werlin
I can't get over the coloring of this book: it's gorgeous. The green of the grass and the red of her hair and the yellow in the trees make for a perfect mix of color, with plenty of light at the top to counter the semi-darkness at the bottom.
I really love the girl in motion; action shots are nearly always my favorite. Top that off with a whimsical font, and you've got one eye-catching cover, ready to be tucked onto your shelf.