Hi everyone! Happy Black Friday to you! Alisha here, from Missing Tooth Grins and I hope you enjoyed your Thanksgiving yesterday. I know all of us at The Primary Pack are so thankful for you, our readers. I'm here to tell you about how I hold a holiday book exchange in my classroom. It's simple, easy, and to the point and I hope that it saves you some time this holiday season. After all, this time of year is crazy for all of us! Especially teachers, am I right? On the last day of school…