On both sides of the Civil War, 618,000 were killed, although some estimate as many as 700,000. In just the three days of the Battle of Gettysburg, July 1863 more than 51,000 dead and wounded. Chickamauga, Georgia, 2 days, September 1863, nearly 35,000. The book starts with a very friendly overview of chemistry diagrams and terms. It’s truly amazing how a tiny change in structure can completely alter the properties of a molecule. I think the diagrams are fascinating, but…