Blast from the Past (Allie Finkle's Rules for Girls Series #6)

Allie returns with new rules in the sixth book of the acclaimed series! Allie's excited about her class field trip. Sure, it's to a historic one-room schoolhouse, built back before there was the Internet or even cell phones, and Allie's teacher is encouraging everyone to dress up in old timey costumes, which some of Allie's friends are actually doing. GAH! But at least she gets to ride on a bus, which she's never gets to do, living so close to school that she actually has to walk there every da…