Describes seventeen chemical compounds in spices, textile fibers, dyes, explosives, medicines, and other substances--including the drugs that account for witches flying on broomsticks--and how they affect civilization.
Penny Le Couteur Libros
Describes seventeen chemical compounds in spices, textile fibers, dyes, explosives, medicines, and other substances--including the drugs that account for witches flying on broomsticks--and how they affect civilization.