In this master class, we look at how Harry Bernstein builds tension in The Invisible Wall and uses it to engage the reader. Tension is defined as that which creates an expectancy of something happening, and most of the time but not always, that something is ominous. In a word, tension is anticipation, and it is what keeps a reader reading. Ready to try it out? Watch the video and follow the instructions to create a tension-filled scene. Then, post your scene in the comments section below.