Rupert Murdoch's News Corporation is again giving Senator Scott Brown a major boost.

News Corp. subsidiary Fox News -- which actively aided the Massachusetts Republican during his 2010 campaign -- is playing host to Brown as he promotes his new book, published by News Corp. subsidiary HarperCollins.

Brown appeared on Fox's Hannity last night and Fox & Friends this morning to discuss the book, which Fox's Brian Kilmeade said “is going to be rockin' up the charts.”

The Associated Press noted that “highlights” of Brown's book tour include “the Ronald Reagan Presidential Library in Simi Valley, Calif., and The Villages retirement community in Florida, where Sarah Palin promoted 'Going Rogue.'” Palin's Going Rogue was also published by News Corp. subsidiary HarperCollins.

According to the FEC, Brown's campaign committee proposed to “use the book to influence Senator Brown's election, such as by distributing books as 'thank you' gifts to campaign contributors and political supporters.”

On February 17, the FEC issued an advisory opinion that concluded Brown's campaign committee's proposal to “use campaign funds to purchase copies of the book from the book's publisher at the fair market price, and to have the publisher donate to charity Senator Brown's royalties from sales of the book to the Committee, is permissible.” However, the FEC “could not approve a response on whether Senator Brown may host fundraising events in cities where the publisher pays his travel costs to promote the book.”

As Media Matters documented in 2010, Fox News repeatedly hosted Brown in the days leading up to his 2010 special election, and Fox News political analyst Dick Morris urged viewers to “go to DickMorris.com ... to help elect Brown,” because if “we win this fight, then there will never be another victory for Obama.”

Fox also repeatedly misrepresented remarks made by Brown's Democratic opponent -- Martha Coakley -- to portray her as incompetent.

Shortly after Brown won the 2010 special election, Fox News contributor Newt Gingrich acknowledged that Fox News helped make Brown's “insurgency possible.”