Rupert Murcoch is currently underwriting Ron's presidential campaign.

For contrast, President Trump self publishes.

https://www.harpercollins.com/products/the-courage-to-be-free-ron-desantis?variant=40977857544226

https://www.hollywoodreporter.com/business/business-news/harpercollins-layoffs-north-america-news-corp-1235313521/