5" (4 cm) cube

and vast – just like this Solar System notebook with plenty of room for hypothesizing

As the light fades from amber to dusty rose

and a density of 2

Record your data

Anatomical Heart Hardcover Notebook - Lined/Grid Notebook 5" (4 cm) cubeHere's a notebook as bold and courageous as you. With an illustration of an anatomical heart and black lettered medical text on a red blooded background, this journal begs to be filled with anatomy notes, lab data, or this month's bullet journaling project. Give one as a gift if you're inclined to give your heart away. Show your favorite nurse you appreciate the heartfelt care or surprise your cardiologist with a hearty thank you.