When the going gets tough, it's time to get gritty. Written by a clinical-child and school psychologist and based in the latest research, The Grit Guide for Teens will help you build perseverance, resilience, self-control, and stamina.

As a teen, setting and reaching goals is an important part of growing up. Whether you want to do well in school, get into a good college, make friends, excel in sports, or master the fine arts or music--you know you need to persevere in order to succeed. You've probably heard the term -grit- at school or from your parents, but what does...