“…This paper introduces an editor for manual annotation of locations in electronic books, stored in a digital library and, in doing so, provides a tool for crowd-sourcing the location annotations. Previously, we used simplified automatic annotation using a gazeteer [11], and explored more recently the requirements of creating geo-locations for digital books in three case studies [10]. The editor, called Book Navigator, offers both a mobile app version and a desktop-based interface for creating geo-location annotations, which are stored in addition to the eBook in Greenstone [13].…”