I have had the opportunity and privilege to work with established authors on two SQL Server books.
My author page on Amazon: http://amazon.com/author/svenaelterman
The Art of SQL Server FILESTREAM, with Jacob Sebastian
SQL Server 2017 Administration Inside Out, with William Assaf, Randolph West, and Mindy Curnutt
SQL Server 2019 Administration Inside Out, with Randolph West, William Assaf, Melody Zacharias, Louis Davidson, and Joey D’Antoni