1. A method for summarizing a media presentation comprising a single body of media, the method comprising: storing a plurality of available partial summaries in memory, wherein each available partial summary describes content of a portion of the media presentation, the portion defined by one or more points of access in the body of media; receiving an instruction to provide a user with an assembled summary of a specified set of one or more continuous portions of the media presentation; executing software stored in memory by a processor to: determine one or more factors for providing the assembled summary, wherein the factors are specific to the user, select one or more available partial summaries from the plurality of available partial summaries stored in memory, the selection based on the one or more factors specific to the user and correlation to the specified set of one or more continuous portions of the media presentation, and assemble the selected summaries to generate the assembled summary of the specified set of one or more continuous portions of the media presentation; and providing the assembled summary to the user via an output device.