Mary Anne Thompson Associates has been appointed US literary scout for Harper Canada. In the UK, agent Madeleine Buston is leaving Darley Anderson after five years to establish her own company, the Madeleine Milburn Literary, TV & Film Agency, the Bookseller reports. The DigitalBookWorld.com web site (run separately and solely by F+W Media; we are partners in the Digital Book World conference only) has added a “digital book wire” of press releases and news clips, and added a “expert publishing blog” drawing on a variety of contributors.