Originally a marine biologist and later a science teacher, Trevor is author or co-writer of more than 40 books, about 70 peer-reviewed articles and many features for websites and the national/international press. His PhD is in education and since 2007 he has been a Fellow of the Royal Literary Fund at the University of Bath. Trevor acts as a consultant on writing projects, especially those aimed at young audiences. He has written widely in the life and earth sciences, although his first love is writing about all things marine, from submarines and oil slicks to squid, sharks and sperm whales. Visit him at www.trevorday.co.uk