1. An information system comprising: (a) first information means consisting of a plurality of graphic displays each concerning a particular selected subject: (b) each of said graphic displays including a main word text and a pictorialized description each sufficient to describe its particular related subject with reference to the other and each disposed in a separate and distinct location within its graphic display; (c) each pictorialized description including a key illustration and a plurality of ancillary illustrations arranged in a sequence; and (d) second information means constituting a graphic arrangement of alphabetically set out word descriptions of a plurality of selected topics and a reproduction of a selected illustration from said graphic displays of said first information means, such illustrations pertaining to said topics; wherein each such graphic display includes ancillary word text related to said key illustration and ancillary illustrations, displayed in close proximity to its respective illustration and arranged in numbered sequence corresponding thereto, and wherein each illustration reproduced in said graphic arrangement of said second information means includes a reference to its respective topic as described in said second information means, and a reference to the graphic display in said first information means from which the illustration was taken, and wherein one of said graphic displays includes a reference to a selected topic of said second information means which is pertinent to the information of the adjacent graphic display, and wherein another of said graphic displays includes listings including references to other selected grahic displays of said first information means which are pertinent to the information of the respective adjacent graphic display.
6. The information system of claim 1 wherein said word descriptions of said selected topics of said second information means include in distinctive manner reference to the selected subjects of pertinent graphic displays and may include references to other selected topics, and to a pertinent portion or portions of a map index also forming part of said information system.