Title: Mother, You're the Best! (But Sister, You're a Pest!)
Description: Gilbert wants to do something special for his mother on Mother's Day, but first he must stop his sister, Lola, from being the center of attention.
Subjects: Fiction, Brothers and sisters, Opossums, Sibling rivalry, Mother's Day, Helpfulness, Action & Adventure - General, Holidays & Celebrations - Other, Nonreligious, Humorous Stories, Juvenile Fiction / Holidays & Festivals / Other, Non-Religious, Juvenile Fiction, Children's Books/All Ages, Children: Grades 1-2, Children's fiction, Mother's day, fiction, Brothers and sisters, fiction, Sibling rivalry, fiction, Helpfulness, fiction, Opossums, fiction