The stakes are extreme in the second book of Jeff Chen’s futuristic, action-packed Ultraball series. Win-or-lose turns into life-or-death in this thrilling middle grade adventure tailor-made for spo……続きを見る
Enter the exhilarating game of Ultraballーfly over pass rushers and explode into slingshot zonesーthrough Jeff Chen’s dazzling future world on the moon. Here Ultraball is life, and survival is all t……続きを見る
