Callista Prepares A Lesson Plan is an audiograph found in Dishonored, recorded by Callista Curnow.
Elementary Sums. History of the Isles, Geography of the Isles. The Seven Strictures. Litany on the White Cliff. Sayings of the Overseer. One day we'll get a few new books.
It can be found on the desk in Emily's Tower before the mission, High Overseer Campbell. Emily's response can be found in the same place later in the game.