How Suitable is Verissimus for Children?

What's in the book and how to decide if it's appropriate reading

Our graphic novel, Verissimus: The Stoic Philosophy of Marcus Aurelius, was written for adults but an increasing number of people have told me their children have been reading it. They told me that their kids saw the cover, were intrigued by the artwork, and “stole” their copy. Some teachers have also approached me, interested in purchasing copies for…