Join your favorite hippo, Fiona, the beloved internet sensation from the Cincinnati Zoo and Botanical Garden, as she heads out from some trick-or-treating Halloween fun with her little brother Fritz and all their animal friends at the zoo! Happy Halloween, Fiona is another addition to the New York Times bestselling Fiona the Hippo series.It’s Halloween, and Fiona wants to share all the fun with her little brother Fritz. But Fritz isn’t so sure. It is so dark. And what are those scary screeches and growls all around the zoo? Will Fiona’s encouragement and the thought of yummy treats and seeing friends in fun costumes be enough to help Fritz be brave?Happy Halloween, Fiona is: A fun adventure about giving encouragement, friendship, and facing fears The perfect gift for the fall season or for trick-or-treat bags Great for fans of Fiona the Hippo and all zoo animals Ideals for readers 4-8 Part of the beloved Fiona the Hippo book series from New York Times bestselling illustrator Richard CowdreyCheck out these other books in the Fiona the Hippo Series: Fiona, Love at the Zoo You’ve Got This, Fiona Fiona Helps a Friend Fiona, It’s Bedtime Fiona the Hippo A Very Fiona Christmas Happy Birthday, Fiona Fiona and the Easter Egg Hunt