This encyclopedia, featuring more than 300 well-researched articles, takes an interdisciplinary and intersectional approach to trans studies. Entries address a wide range of topics, from broad concepts (e.g., the criminal justice system, activism, mental health), to specific subjects (e.g., the trans pride flag, the Informed Consent Model, voice therapy), to key historical figures, events, and organizations (e.g., Lili Elbe, the Stonewall Riots, Black Lives Matter).