I liked this one. I really identified with the main character. I've always been shy and had a hard time talking in crowds, thinking no one would want to hear what I had to say anyway, and the older I get, the worse that gets. I tend to avoid people other than my family, and so I go for months without talking to anyone in the world but my mom, kids, husband, and the cashier at the grocery store. So it was nice to see Mark grow a bit, see the strides he took, although I would like to know what finally caused his breakthrough in the end that allowed him to go to Seth and actually TALK to him.