It's about a girl in high school called Erica Yurken [or Yuk/Erk]. Her school is tiny and she's the resident hypochondriac [like me XD]. She also always does the best projects and stuff. Her family's kinda loopy. XD
And then Alison Ashley comes along and she's pretty, smarter, neater, rich, and everything, and she "steals the show" from Erica. Erica is jealous, thus the title "Hating Alison Ashley."
Yet amazingly she puts Alison down as someone she wanted as her roommate on their excursion.
Erica and co. go on their excursion and Alison has all these beautiful things. But Alison is unlucky in the sense she is kinda neglected, where Erica's family loves her to pieces, and her mother can't make it to see the plays the kids have to write and act out. Erica wrote both groups's plays XD And then everything goes wrong on the night and her mother's new boyfriend, Lennie Grubb, who Erica hated like the plague [mixed up phrases XD], fixes it up and stuff. Anyway Alison and Erica end up best of friends. ^^