The purpose of this online-only book is to serve as an introduction to lesbian, gay, bisexual, transgender, and queer (LGBTQ) health issues and offer health care professionals tools for creating safer and more inclusive environments for the people they serve, and a more humane workplace for their LGBTQ coworkers. It provides a broad overview of the issues that are shared among those who identify as lesbian, gay, bisexual, transgendered, or queer.