'Have a good summer! Love ya! Stay as sweet as you are! Don't ever change!' These are some of the messages that have appeared in high school yearbooks for decades. While much has changed since 1964, much of the fundamental high school experience are more or less the same. Playwright, author, teacher, former business executive Constance Alexander joins Kate Lochte on Sounds Good to read from her book of poems 64 Blue Letters, recalling a high school yearbook in verse.