A green and gaseous adventure with Chrispus and Elderberry. Suitable for children aged 5-8.Did you know that cows produce lots and lots and lots of methane gas every day? Chrispus and Elderberry are learning about methane and the threat to the climate, forests and wildlife.Do they know enough to help Delia with her gas cooker problems? Can Delia Shuss help the children find the very expensive item that goes missing? Please visit The Green Adventures of Chrispus and Elderberry Facebook page. If you loved this book you will love TO WEE OR NOT TO WEE? THAT IS THE QUESTION