The cable news host also initially had some other ideas for a title for his seventh book: “I thought I was going to call it Donnybrook originally ... The Fighting Irish or something. But what was interesting about it was all the ways they were able to get along at the end of the fights.”

Matthews laughed as he told partygoers that his next writing might not be so political in nature. Referring to his wife, Kathleen, a former TV anchor in Washington, as “the queen,” he joked, “The next book might be about the queen. I’m not sure.”

Among those spotted at the packed book party: Sen. Ed MarkeyEd MarkeyDems push for more action on power grid cybersecurity Dem senator: Trump 'doesn't respect' the presidency Overnight Regulation: Labor groups fear rollback of Obama worker protection rule | Trump regs czar advances in Senate | New FCC enforcement chief MORE (D-Mass.); Reps. Debbie Wasserman Schultz (D-Fla.) and Steve Israel (D-N.Y.); MSNBC President Phil Griffin; former Republican National Committee Chairman and MSNBC analyst Michael Steele; newly engaged MSNBC host Alex Wagner with fiancé and White House chef Sam Kass; several members of O’Neill’s family, including daughters Susan and Rosemary O’Neill; MSNBC’s Andrea Mitchell with husband Alan Greenspan; Fox News Channel’s Bret Baier; and WJLA anchor Gordon Peterson. 

Photo: Kris Connor