Mo Willems has a special gift for titles: "Don't Let the Pigeon Drive the Bus," "Don't Let the Pigeon Stay Up Late," "Edwina, the Dinosaur who Didn't Know She Was Extinct." Willems's "Nanette's Baguette" is a title for the ages. I imagine, once he had the title, he found that the book wrote itself. "Nanette" borrows from a standard trope: I run an errand for Mom . This is the stuff of Little Red, and the stuff of "Brave Irene." Nanette, a small frog, must get a baguette from the baker, Juliet. Getting to get the baguette is Nanette's biggest responsibility yet. Nanette strolls out onto the Parisian streets--but she stops to chat with Georgette, Suzette, and Bret (who carries his clarinet). When Nanette finally obtains the baguette, she begins taking bites--until all the bread is gone. Now Nanette feels beset with regret, and she considers a covert move to Tibet. (She might need a jet.) In a moment o...