Reader Hub

Freebies, bonus content, reading order, and extras for S.F. Baumgartner readers. Start with a free read, explore bonus material from the Mirror Estate world, and find the best place to begin if you're new to the books.

A Mercer Files action thriller novella. Step into the world of The Mercer Files with The Last Shift. If you like fast-moving suspense, dangerous secrets, and mission-driven thrillers, start here.

Continue with Black Gold Secret, Book 1 in The Mercer Files. Available September 8, 2026. Preorder Black Gold Secret.

The Other Music Box
A free short-story prequel

Before Pine Grove, Mae Cassidy was Mayflower. Discover her shared past with Cyrus Jagers in this free prequel filled with intrigue, dry humor, and a hint of unfinished romance.

Continue with The Candy Cane Secret.

Need a refresher before diving into the next book? These quick recaps will get you caught up.

Exclusive short stories revealing untold moments, hidden missions, and the stories behind the characters you thought you knew.

Clean crime thrillers featuring KC and the Orlando Prime team. Start the series with Christmas Murders, then read Orlando Prime: Origins for bonus prequel content about the elite task force behind the series.