Lucia Frank 
Ally is looking forward to Christmas [EPUB ebook] 
Why penguins wear tuxedos

Ally loves Christmas and is impatiently waiting for Christmas Eve. In this story, she visits the zoo with her sister, Mimi, and her mum. While there, she begins to wonder why penguins wear tuxedos. But, as is almost always the case, her mum knows, so she tells the story of Pablo, the little penguin.