TY - BOOK AU - Campbell,Marcy TI - Rule of threes SN - 9781797201238 PY - 2021///] CY - San Francisco PB - Chronicle Books KW - Family problems KW - Fiction KW - Dysfunctional families KW - Juvenile fiction KW - Friendship KW - Alzheimer's disease KW - Interior decoration KW - Contests KW - Families KW - lcgft N1 - Ages 10 and up; Chronicle Books; Grades 4-6; Chronicle Books N2 - Future interior designer Maggie, a sixth-grader, focuses on an upcoming design contest to cope with friendship and family troubles, including having Tony, a half-brother she never knew existed, move in ER -