Read this book on Netgalley:

This book appears to be written by a straight white cis woman, and contains clunky and outdated language. It says nothing exactly horrible, but that's the best I can say about it. There is only a brief aside about how it's sometimes not safe to come out. In a book aimed at queer teens, that should be first, front, and center! Last thing we need is more queer kids out on the streets. because some straight lady from the comfort of her home told them it would feel good to come out. Phrases such as "revealing your homosexuality is never easy," which appears on the very first page, are cringy and also fail to teach the current nomenclature around queerness. And sentiments such as "Your family will always love you" feel like a slap in the face to those of us who have permanently lost family members over their choosing hate over love.

Tl;dr Do not recommend. If you have a teen in your life who needs a supportive book, please give them anything form this list https://www.goodreads.com/list/show/26180.Non_Fiction_Resources_for_LGBT_Teens_Youth_Families or on second thought don't. Just give them your listening ear, your place to crash should they need it, and your unconditional love. Read the books yourself, offer to share if that seems like the thing. But don't read or purchase this book.