The Hill reports:
Trump promotes Fox News host’s book on Twitter
President Trump on Tuesday promoted Fox News host Eric Bolling's new book, "The Swamp," by retweeting Bolling's tweet that says Trump has a copy.
Yup -- here's Bolling's tweet promoting his book:
Good morning friends! "The Swamp" out today. President Trump has a copy... get yours here https://t.co/TntLPNCCjR. #maga!!
— Eric Bolling (@ericbolling) June 27, 2017
And here's a screenshot of Trump's retweet: