Kenichi Somemori studied painting and fine arts before working as a landscape architect and civil consulting manager. His previous publications include Perspective Techniques, Perspective Expression, 3D Sketch Practice Notebook, and Tracing Is Easy!Sketch Practice Notebook for Plants and Animals. Shin Yoshimura graduated from the University of Tokyo with a major in green space studies and worked in urban planning and landscape architecture planning and design at EPI Corporation. After that, he established MEGADRAWING, an art studio which creates illustrations and perspective drawings. As an architect, he received the Jury's Award for the 30th anniversary of the JARA Grand Prize in 2010.