In Clear Focus: The author of this month's Book Club selection, Marketing Metrics: Leverage Analytics and Data to Optimize Marketing Strategies is Christina Inge. Confused about goals, KPIs, and metrics? Christina shares strategies applicable to brands and ad agencies and explains how ancient military tactics can inspire innovation in marketing. IN CLEAR FOCUS listeners can claim a 20 percent discount on Christina's book, Marketing Matrics, by using the promo code BIGEYE20 at KoganPage.com.