The Great Pains Taken by George Del Garneau

He also wrote a forward to his to his book, which is written entirely in lingua for esophagus address to King Charles the second. It explains why he why he wrote it and why he thinks this would be useful for King Charles to sort of endorse. He's not provided translation, so you actually have to learn the language before you can figure out what he's trying to say. Most of it is about saying that people will admire kings if they support the arts of peace.