There are several methods:

•Click the middle button of the mouse, to select the entire article layout or the logical group.

•While nothing is selected on page, press and hold SHIFT and then with ,click any object created from an object library or by Head and body tool, or any logical group, to select all the members of that layout. Available in version 1.5 or newer.

•Right-click any of the objects in an article layout, point to Logical Groups, and then click Select Group.