I am a children's book trailer nut. I just saw this on the Guardian online and love it. The music, the slow rhythmic pacing, colour, humour, delayed punchline. Totally adorable for all ages and perfect for the target audience. A complete delight!
Animation is by fraterfilms.com and I'm-hugging-myself-with-joy sounds and music by Matt Wand. You can listen to the whole music track here. I just downloaded it and am going to listen to it all day long.