Twenty-one full papers and seven notes from the October 2007 workshop present recent advances in developing interactive tabletop arrangements of computer input devices and user displays. The researchers share experiences with remote collaboration, long-term office use of a multi-touch table, reproducing the writing process of Japanese calligraphy, browsing and sorting digital photo collections, and designing a game for children. Other topics include group dynamics of tabletop interaction under time pressure, expanding handheld interaction to touch table displays, using light for direct tabletop input, and depth-sensing video cameras for 3D tangible tabletop interaction. No subject index is provided. Annotation ©2007 Book News, Inc., Portland, OR (booknews.com)