Helen Pellant is based in North Yorkshire and, with Chris Pellant, began writing books in the 1980s. They have written a number of earth science books, and also run their own photo...view moreHelen Pellant is based in North Yorkshire and, with Chris Pellant, began writing books in the 1980s. They have written a number of earth science books, and also run their own photographic library (www.picsandwords.com). Both are keen conservationists, studying and recording everything from plants and lepidoptera to marine life.view less