Wil Tirion is a full-time uranographer. He is famous among the amateur astronomy community for the numerous atlases and star charts he has created. Among his other successful books for Cambridge University Press are Sky Atlas 2000.0 (co-published with Sky Publishing), The Cambridge Star Atlas, The Monthly Sky Guide, and A Walk Through the Heavens. A full list of Wil Tirion's publications are available on his website: www.wil-tirion.com.