Caldecott Honor artist Mo Willems continues his charming Elephant & Piggie series of first readers with these two titles, in which Piggie is invited to her very first party, while Gerald discovers that there is something worse than a bird on his head. Full color. nGerald is careful. Piggie is not. nPiggie cannot help smiling. Gerald can. nGerald worries so that Piggie does not have to. nGerald and Piggie are best friends. n nIn I Am Invited to a Party! Piggie is invited to her first party. She doesnt know what to wear, though, so she asks her best friend Elephant for help. Elephants advice is odd to say the least, so Piggie will try on all sorts of zany outfits before finally arriving at the party for a hilarious surprise.n