Billie scuffed her flip flops through the dry needles scattered over the Christmas tree lot. Pine scent filled the air. But it felt too hot for Christmas."How about this one?" Her mom turned a spruce to show the branches in the back."I guess," said Billie.Ever since they moved for her mom's work, Billie felt like she spent all of her time missing things back home. She missed her old school. Her old friends. She missed how the leaves changed color in the fall to yellow and orange and red.Right now, Billie missed winter most of all. Icy mornings. Wearing her old red hat with the ragged pompom. S