I will go over somethings before I can answer this.
Why Does The Media Affect Our Body Image?
If a person is on television, say for a reporter or someone else, they might make you look <em>better </em>or <em>worse. </em>You can never appear on TV by "Just Being You." People will say to women, "Add makeup!" People will say to men <em>and women sometimes</em>, "Wear better clothing!" Now this isn't just to make you mad, ugly, or prettier. This is just how you want yourself to look like in over a thousand people's presence. If you are shy, you might actually want this. But it usually isn't who you are.
What Do Books Have On Our Appearance?
Now <em>books </em>are a different story. Books usually count on illustrations. Say you wrote a story about your love for butterflies. On the title cover, your title was "Butterflies and Me." Under this writing, your illustrator (you or someone else) drew you and a butterfly landing on your finger. This drawing could be realistic or cartoonish-it depends on you. How would you like to expose yourself in a book? Any realistic drawing couldn't be <em>you exactly-</em>but it would be close. Books will have a change on our appearance just by this.
Books Vs Media!
Books and media sometimes connect in a way. You write a story and someone makes a movie from your story. Say the main character is "I". <em>You </em>are the main character in your story. Now if you drew yourself in a book realistic-like, and then the movie made you exactly what you drew, that would be the only change in your appearance. But if you drew yourself cartoon, and the movie made you realistic, then you've got your own change. Your appearance on books and your appearance on movies are their own change-movies might be realistic or cartoon, and your book would be completely opposite.
The Final Answer Is...
The final answer is yes, books can contribute to this problem.
