Clive Gifford is an award-winning author of more than 40 books for children and adults, including How The Future Began: Everyday Life, Essential Chemistry and Facts and Records: Space. A chapter contributor to The Kingfisher Science Encyclopedia, Clive lives in Manchester but travels as far afield as Japan and South America to research and write. Jerry Cadle has presented and written a wide-range of natural history documentaries including the Emmy-nominated Swarms for the Discovery Channel and Earth Trek for WNET. His 1993 film The Hitch-hiker's Guide to Saving the Rainforests won an English Speaking Union award. In 1993, he was cameraman for a trans-Saharan expedition that was the very first to make the crossing during the Saharan summer.