"Sixth-grader Merci Suarez doesn't have a big house or take fancy vacations like the other kids at Seaward Pines Academy. She's a scholarship student who lives with her extended family in three little houses they call Las Casitas. But everything feels different this year -- and not just at school, where queen bee Edna Santos has set her sights on Merci's school-assigned Sunshine Buddy, Michael Clark. At home, Merci's beloved grandfather, Lolo, has...