Lessons 39, 40, 41, 42, and 43
At least five lessons at this point should be devoted to reviewing all the lessons that have gone before.
The Frequency of Reviews
To Teachers: Assuming that teachers of the Palmer Method master the lessons in their order before attempting to teach them, they are to decide when lessons and drills have not been mastered and need reviewing. Without knowing the pupils and seeing their daily work in penmanship, it would hardly be possible for the author to decide with unerring accuracy, when they should review.