The Verts family is celebrating a very special occasion: it's Ivan's birthday! And Estie knows that every birthday needs a great party, with lots of guests, party hats, and twinkling tin foil stars. Because that is what everyone wants on their birthday, right? But did Estie ever ask Ivan? From the New York Times bestselling duo of Escape Goat and Lambslide, award-winning author Ann Patchett and Fancy Nancy artist Robin Preiss Glasser, comes a heartflet story about honoring our differences.