Camilla: A Latin Reading Book
By Maud Reed. St. Martin's Press, 1963. Hardcover. Condition: Acceptable. Binding loosened.
This appears to be a "novella," of the sort written nowadays, but written in the 1920s and still in print half a century later. This is the level 2 reader - "Julia" being the first level reader. Worth further investigation. Rare. I cannot find other copies of this for sale and I've never come across one in decades of looking at Latin teaching materials.