Killer Gorilla (Jeanne Willis) Paperback / softback

 A little mouse loses her baby, but just as she starts looking for it, out of the rainforest looms a huge gorilla, so she starts running for her life. And so begins a chase that takes her all over the world: to China, Australia, North America, and even the Arctic! But when the gorilla finally catches up with her at the North Pole, it turns out that all he has been trying to do is return her baby to her!