A new sibling book with humor, heart, and a dash of the scientific process sure to delight young readers. Is Stella's new baby brother a duck? All the evidence seems to be pointing in that direction, but Stella knows that scientists can't just wing it. Further research is definitely required. This sweet and silly book is just ducky for new siblings, fledgling scientists and anyone who loves a good laugh. * Read-aloud books for children and siblings * New baby gift for siblings * Pat Zietlow Miller has published numerous children's books, including the critically acclaimed Be Kind. Picture-book-reading new siblings who enjoyed The New Small Person, Little Miss Big Sis, and Julius Baby of the World will love the sweet and silly humor of My Brother the Duck. * Children's books for ages 3-5 * New siblings, big sister books * STEM principles