The former first lady is the first author to \"promote her book on a scale common for a top musical performer,\" according to The Associated Press.

Leading up to her book tour, Obama has been busy promoting get-out-the-vote efforts for the November election.

There's a lot at stake this November. If we stay home, critical issues that affect our families and communities get ignored. Today on #NationalVoterRegistrationDay, register to vote and then get to the polls on Nov. 6. Text WeAllVote to 97779 to get started. #WhenWeAllVote pic.twitter.com/YqQtWBEffA

— Michelle Obama (@MichelleObama) September 25, 2018

(MORE: Michelle Obama calls out 'nastiness of our politics' during campaign-style voting rally)

She rallied more than 2,000 people Sunday in Las Vegas as she headlined her first rally for When We All Vote, the nonprofit voting initiative she launched over the summer.

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