Join the adventure in this hilarious and quirky tale as a young boy discovers a big problem with this I Need a New Bum! by Dawn McMillan - 6 Dec 2018. His bum has a huge crack! In a bid to find a solution, he embarks on a fun journey to pick a new bum. From an armour-plated bum to a rocket bum, this delightful story promises laughs and giggles. Filled with vibrant illustrations and witty dialogue, this picture book is perfect for children and parents alike. Order now. About the Author: Dawn McMillan is a bestselling author known for her humorous and engaging children's books. Her work often combines wit, creativity, and whimsical storytelling that resonates with young readers.