Conservative writer Ann Coulter is unabashed in her support of presumptive Republican presidential nominee Donald Trump, and now she will be writing a book to urge others to join the Trump train.Sentinel, a conservative imprint of Penguin Random House, announced Monday that Coulter'swill be published Aug. 23. According to Sentinel, Coulter will call on "conservatives, moderates, and even disgruntled Democrats" to unite behind the presumptive Republican nominee, whom Coulter has supported for months.Trump has courted controversy over statements about women and Muslim immigration and through personal insults against his political rivals. Coulter herself is no stranger to controversy, having angered opponents by suggesting a return to poll taxes and literacy tests for voting, and saying that if women had never been given the right to vote, no Democrat would ever be elected president again.Coulter has been critical of Trump in the past, calling him "mental" back in March and saying he should have his nether regions shocked whenever he says something foolish. But she reversed course a month later and has been singing his praises since.She says in a statement that he is a "one-man wrecking ball against our dysfunctional and corrupt establishment."The Trump book will be Coulter's 12th. Others includeandThe Associated Press contributed to this report.