Join Bertha and Blink on an adventure full of friendship, with a sprinkling of science and a nod to nature. The perfectseries for fun-loving readers! Bertha and Blink wake up one morning to find a strange smog surrounding them - it's their nemesis Finnius Fink's new factory and it's destroying the jungle! The duo are determined to stop him and Bertha has an idea that just might work... With brilliant inventions, the help of new friends and some tricks in their toolbox, can the pair put a stop to the destruction and save their home?