Erin McHugh's last two books, Like My Mother Always Said . . . and Like My Father Always Said . . ., pulled together a rainbow of savvy, humorous, and ques-tionable wisdom from parents. Her next volume leaves home and heads for the classroom to celebrate what we gleaned from perhaps the most obvious candidates for learning: our teachers. The same quotation crowdsourc-ing McHugh has used so well before is at work again in Like My Teacher Always Said...