#1 Amazon bestseller! Are you seeking a deeper understanding of gender identity and sexual identity? The ABCs of LGBT+ is a bestselling LGBT book and is essential reading for questioning teens, teachers or parents looking for advice, or anyone who wants to learn how to talk about gender identity and sexual identity. In The ABCs of LGBT+, Ashley Mardell, a beloved blogger and YouTube star, answers many of your questions about LGBT and LGBT+ gender identity, sexual identity, teens in a binary world, the LGBT family, and more. Understanding gender identity and sexual identity: The 21st century has seen very positive movement for LGBT+ rights. In the last few years, the overturning of DOMA, the SCOTUS ruling in favor of the Marriage Equality Act, American transgender politicians elected to office, and landmark moments such as Apple becoming the most valuable company in the world have all contributed to this progress.