1. A method for using a computer system, in response to a reader's request for display of electronic text, to automatically identify and provide additional reading material related to concepts referred to within said electronic text comprising, in sequence, the steps of: a) on a server system, via a network, accepting a request for electronic text from a client system; b) formulating a search request for additional reading material related to at least one concept in a text section of said electronic text, wherein said search request includes at least one term that was not provided to said server system by said client system; and c) via a network, along with said electronic text, providing instructions to said client system that when executed: i) cause said search request to be transmitted via a computer network, resulting in the search of an index, said search resulting in identification of related material; and ii) provide to said client system an indicator of said related material to be presented in the same presentation as the requested electronic text; wherein: said index contains a plurality of terms by which it may be searched; substantially all terms in said index are associated with at least one pointer to a text section; and at least one term in said index is associated with a plurality of pointers, at least two of said plurality of pointers pointing to different text sections.
1. A method for using a computer system, in response to a reader's request for display of electronic text, to automatically identify and provide additional reading material related to concepts referred to within said electronic text comprising, in sequence, the steps of: a) on a server system, via a network, accepting a request for electronic text from a client system; b) formulating a search request for additional reading material related to at least one concept in a text section of said electronic text, wherein said search request includes at least one term that was not provided to said server system by said client system; and c) via a network, along with said electronic text, providing instructions to said client system that when executed: i) cause said search request to be transmitted via a computer network, resulting in the search of an index, said search resulting in identification of related material; and ii) provide to said client system an indicator of said related material to be presented in the same presentation as the requested electronic text; wherein: said index contains a plurality of terms by which it may be searched; substantially all terms in said index are associated with at least one pointer to a text section; and at least one term in said index is associated with a plurality of pointers, at least two of said plurality of pointers pointing to different text sections. 19. The method of claim 1 , wherein said index is generated by a computer system.