Betsy and Joe (1948) is the eighth volume in the Betsy-Tacy series by Maud Hart Lovelace. This installment spans the title characters' senior, or twelfth grade, year in high school. The book, along with the entire Betsy-Tacy and Deep Valley series, was republished in 2000 by HarperTrophy with a new cover art illustrated by Michael Koelsch.