Al Roker's latest pick for the Today Show Book Club for Kids is Kiki Strike: Inside the Shadow City by Kirsten Miller (Bloomsbury, $7.95 paper, 9781599900926/1599900920; $16.95 hardcover, 9781582349602/1582349606). This first title in Miller's Kiki Strike series introduces Ananka Fishbein, a New York City middle-schooler who discovers that the park across the street from her house has become a sinkhole. Once she enters it, her life turns upside down. For an excerpt of the story, check out the Today Show website. Miller will appear on the program next Thursday, May 20, during the 9 a.m. hour.