Wow-what a clever line! Did you know that the individuality and characteristics of the characters in the painting can be presented through the thickness of the lines? Can the snaking and undulating lines and swirling lines produce the effect of flow and rotation? Let's follow the author of this book and take a look at Paul. The lines that Klee scribbled in The Man with Big Mouth and Pablo Picasso's excited lines in The Cat Who Eats Birds... Follow the pictures to observe Winslow Homer's dramatic lines in Lifeline. Let us take a look at the 18 world-renowned works of art, what role does the line play?