* A specific book title: There are several books with titles that include "Book Insider," such as "The Book Insider: Secrets from the Publishing World" or "The Book Insider's Guide to Publishing Your Novel." To help me find the author, please provide the full title of the book you're interested in.
* A magazine or website: There are several publications with "Book Insider" in their name, such as "Book Insider Magazine" or "Book Insider.com." To help me find the author, please clarify which publication you're asking about.
Once you provide more context, I can help you find the author of the book or publication you're interested in.