Here is a glimpse over the Lesson - "The Third Level" from the textbook - Vistas for CBSE Class 12 students. Check out my profile for other presentations made by me for various other topics. Here is an overview of the lesson (Summary): The story is of a 31-year-old man named Charlie and his psychological condition in which he hallucinates and visits a third level of the Grand Central Station which has only two levels.