An intimate, award winning story of immigrants and their families, the borders they cross, and the ties that bind us all together. Fourteen-year-old Clara Luna's name means "clear moon" in Spanish. But lately, her life has felt anything but clear. A letter has arrived from her grandparents in Mexico inviting her to stay with them for the summer. But Clara has never met her father's parents. All she knows is that he snuck over the border...