Two best friends embark on a project to study the behavior and taste of the popular girls at their elementary school so that by the time they get to middle school they too will be in the right crowd.

Junior high girls Julie and Lydia deal with romance issues as Julie and Roland become an official couple and Lydia's mom announces she is getting married.

"Lydia and Julie have been through many adventures as they navigated junior high and the search for popularity, but as they near the end of seventh grade, life seems to be settling into a familiar rhythm. And then ... disaster strikes! Literally. The peaceful world of Hamlin Junior High is rocked when the students learn that they're going to have to play host to new students whose junior high school burned down. The outside threat bands the Hamlin...

Embarking on a summertime road trip with Papa Dad and Daddy after surviving the ups and downs of their first year in junior high, Julie and Lydia use their Powers of Observation to catalog the traditions and oddities of each new location they visit before confronting uncomfortable truths about sensitive family dynamics.