Leo's dad is voting in his first election as a naturalized US citizen, and he promises to take Leo to the polls with him. Leo can't wait! But, after his cousin Ray casts doubt on the importance of a single vote, it'll take Leo's class mock election results, as well as a talk with his dad to convince him that each and every vote matters. This lively picture book shows us how citizens decide who will be in charge, hitting key moments in an election, from voter registration to polling places, to staying in line, and features extensive backmatter for kids who want to dig deeper.