Clouds

Haven't the foggiest which cloud is which?A bit hazy about frontal systems?Can't tell a cumulonimbus from a lenticular?Think a mammatus is a hairy beast with huge tusks?After years of research, the penguins have put together this handy guide to the clouds you might see in your local patch of sky.Grab your copy of Clouds, go lie on your back in the middle of your local playing field and watch the clouds float by...