"The Big Fat Notebooks' big step up to high school continues! Announcing Biology, the third in the high school series. With over 5 million copies in print since 2016, and sales escalating every year, the Big Fat Notebooks series is revolutionizing the middle and high school study guide. And Biology continues with the high school STEM concentration, following Chemistry and Geometry, which in turn followed in the footsteps of the middle school series'...