Girls' education, indisputably crucial to development, has received a lot of attention--but surprisingly little hardheaded analysis to inform practical policy solutions. In Inexcusable Absence, Maureen Lewis and Marlaine Lockheed propose new strategies for reaching the 70 percent of out-of-school girls who are "doubly disadvantaged" by their ethnicity, language, or other factors. The book will be an important tool for policymakers, informing interventions that can make a profound impact on the lives of the 60 million out-of-school girls.