Gerdi Quist is co-author of the current edition of Teach Yourself Beginner's Dutch, Teach Yourself Dutch and Teach Yourself Beginner's Dutch Grammar, a native Dutch speaker, and lecturer at University College, London.
Dennis Strik is a part-time lecturer at the University of Kent at Canterbury and part-time post-graduate language assistant at University College, London. His previous publications include Teach Yourself Beginner's Dutch Grammar, Teach Yourself Beginner's Dutch Grammar, Dutch on the move (Hugo) and Just enough Dutch (Hugo).