"Get ready for the next big epic fantasy . . . "In a distant kingdom a growing darkness falls over the land. One is called to defend . . . to bring hope . . . to slay the Mighty Dragon. . . . Could it be . . . Babymouse? Find out when Babymouse leads her fellow Mathletes in the quest of a lifetime, a death-defying fight to win back both her school's honor and the coveted GOLDEN SLIDE RULE. Our brave young hero must face not just the evil Owlgorithms but also her own personal dragon--MATH. Destined for glory, for greatness, for bookstores and libraries everywhere . . . this is the epic adventure fans have been waiting for.