whole note would be the answer
One point perspective is a type of linear perspective. Linear perspective relies on the use of lines to render objects leading to the illusion of space and form in a flat work of art. It is a structured approach to drawing. One point perspective gets its name from the fact that it utilizes a single vanishing point.
Answer: I've heard of it... somewhere.... Is it good?
Well i'm suggesting it is because you're on the sixth book :)