Mary Robinette Kowal will do a tuckerization for the winning bidder (see details below for more on tuckerization).

Mary Robinette Kowal is the author of Ghost Talkers, The Glamourist Histories series, and the Lady Astronaut Universe. She is part of the award-winning podcast Writing Excuses and has received the Astounding Award for Best New Writer, four Hugo awards, the Nebula and Locus awards. Her stories appear in Asimov's, Uncanny, and several Year's Best anthologies. Mary Robinette, a professional puppeteer, also performs as a voice actor (SAG/AFTRA), recording fiction for authors including Seanan McGuire, Cory Doctorow, and John Scalzi. She lives in Nashville with her husband Rob and over a dozen manual typewriters.