It seems older brother Richie has no other goal than to make Trish's life miserable. But she has learned to give as good as she gets in these wonderfully honest, and very funny books based on the author's own childhood (and rotten older brother)!
Common Core Alignment:
RL.3.3. Describe characters in a story (e.g., their traits, motivations, or feelings) and explain how their actions contribute to the sequence of events.
ALA Notable Book