If you like So B It by Sarah Weeks
Here are a few more books that I think you may like:
Walk Two Moons by Sharon Creech.
After her mother leaves home suddenly, thirteen-year-old Sal and her grandparents take a car trip retracing her mother's route. Along the way, Sal recounts the story of her friend Phoebe, whose mother also left.
Ida B. : and her plans to maximize fun, avoid disaster, and (possibly) save the world by Katherine Hannigan
In Wisconsin, fourth-grader Ida B spends happy hours being home-schooled and playing in her family's apple orchard, until her mother begins treatment for breast cancer and her parents must sell part of the orchard and send her to public school
Rules by Cynthia Lord.
Frustrated at life with an autistic brother, twelve-year-old Catherine longs for a normal existence but her world is further complicated by a friendship with a young paraplegic.
Each Little Bird that Sings by Deborah Wiles.
Comfort Snowberger is well acquainted with death since her family runs the funeral parlor in their small southern town, but even so the ten-year-old is unprepared for the series of heart-wrenching events that begins on the first day of Easter vacation with the sudden death of her beloved great-uncle Edisto
Tequila Worm by Viola Canales.
Sofia grows up in the close-knit community of the barrio in McAllen, Texas, then finds that her experiences as a scholarship student at an Episcopal boarding school in Austin only strengthen her ties to family and her "compadres”.