Lay the western comic book on a flat surface, or your lap. Open the cover to reveal the inside front cover and page one.
Read page one from left to right, top to bottom in a "Z" formation to follow the story in a linear manner. The panels are laid out in sequential snapshots of the story, with dialogue in word balloons and caption boxes.
Turn page one to the left to reveal page two and three. Read page two and then page three in the same manner you read page one. In some instances, an even and odd numbered page might contain one large image, called a double-page splash, which you should also read in the left-right-top-bottom "Z" manner.