A Book of Brownies. Chapter 4 - Their Adventures in the Land of Giants

The 2 Brownies and the Mermaid flew off on the broomstick but suddenly 1 of them gets a great idea which means they can rescue Jump. They then take the Mermaid home. Then land in a giant forest which they don't realise is in the middle of the land of giants. Do they manage to escape after another adventure?