X: Ladder
Not every step is in a direction.
IX: Licorice
VIII: Dogbane
VII: Winter Barley
VI: Tuberose
V: Salmon
IV: Bere
III: Puffball
II: Millet
I: Plum
X: Mill
What goes on behind the placid surface of a mill?
VII: Rapeseed
The promise and potential hazard of biodiesel crops.