1. An apparatus for manipulating graphical objects in a notebook having a plurality of pages, wherein one of said plurality of pages is displayed as an exposed page, comprising: a plurality of icons wherein each of said plurality of icons corresponds to a page in the notebook; a moving means for moving a first object from a first page to a destination page when said first object is selected, placed on a first icon of said plurality of icons, wherein said first icon corresponds to said destination page, and released on said first icon; a tray, wherein said plurality of icons are displayed in said tray; a copying means for copying a second object from a first page to a destination page when said second object is selected to be copied, and is released on a third icon of said plurality of icons, wherein said third icon corresponds to said destination page; a link display means for displaying links between objects on the exposed page in the notebook; a hidden link display means for displaying links between a third object and objects on pages other than the exposed page, when said third object is selected for display of hidden links; wherein, when said third object is selected for display of hidden links, a visual property of any of said plurality of icons that are visible and that correspond to pages that contain objects that are linked to said third object, is distinct from icons that correspond to pages that do not contain objects linked to said third object.