ANDREW WILLIAMSON has worked as a lead concept artist on all of the Harry Potter films, including the forthcoming Harry Potter and the Deathly Hallows: Part I and Part II. Trained as an architect at Cambridge University and certified in 1990, he worked on the new British Library at Euston and a number of commercial and residential projects. His work has been published in numerous architectural publications, The Art of Batman Begins (2005), and he is currently developing a series of comic book projects. BRUCE FOSTER has designed nearly 40 pop-up books for publishers, museums, and corporate clients. His publishing clients include Simon & Schuster; Random House; Little, Brown and Company; Melcher Media; Becker & Mayer; Disney-Hyperion; Candlewick Press; Disney Productions; the Museum of Modern Art; and Insight Editions. Bruce has worked with some of todays leading illustrators and artists such as Chuck Fischer, Mo Willems, The Charles Schultz Studio, Mick Coulas, Sachiko Yoshikawa, Marjorie Priceman (Little Red Riding Hood, Simon & Schuster, 2000), and many more.