An adjustable display apparatus comprising: an adjustable display brochure holder component comprising: opposed spaced apart front and rear surfaces, opposed spaced apart first and second side surfaces and a supporting base surface; said rear surface being formed or orientated in a single plane; wherein the rear surface includes a plurality of attachment points therein, each one of the attachment points being located at or near side edge portions thereof; wherein the plurality of attachment points comprises a first array located at or near a first side edge portion and a second array located at or near a second side edge portion, wherein each of the first array and the second array comprises at least three attachment points; and characterized in that each of the attachment points is keyhole shaped and adapted to engage with and secure therein a complementary element of a clip (4, 5, 6, 7, 10, 12, 15), thereby enabling the display brochure holder component to be clipped to, and secured with, an adjacent like display brochure holder component; and at least one clip (4, 5, 6, 7, 10, 12, 15), which is adapted to engage with each of the plurality of attachment points of the display brochure holder component, the at least one clip having two engagement means configured to engage adjacent keyhole-shaped attachment points of the first or second array; wherein the attachment points of the first and second array are evenly spaced so that the display brochure holder component can be adjustably connected, using the clip, to an adjacent like display brochure holder component in a plurality of configurations including a compressed tiered configuration and an expanded tiered configuration. an adjustable display brochure holder component comprising: opposed spaced apart front and rear surfaces, opposed spaced apart first and second side surfaces and a supporting base surface; said rear surface being formed or orientated in a single plane; wherein the rear surface includes a plurality of attachment points therein, each one of the attachment points being located at or near side edge portions thereof; wherein the plurality of attachment points comprises a first array located at or near a first side edge portion and a second array located at or near a second side edge portion, wherein each of the first array and the second array comprises at least three attachment points; and characterized in that each of the attachment points is keyhole shaped and adapted to engage with and secure therein a complementary element of a clip (4, 5, 6, 7, 10, 12, 15), thereby enabling the display brochure holder component to be clipped to, and secured with, an adjacent like display brochure holder component; and opposed spaced apart front and rear surfaces, opposed spaced apart first and second side surfaces and a supporting base surface; said rear surface being formed or orientated in a single plane; wherein the rear surface includes a plurality of attachment points therein, each one of the attachment points being located at or near side edge portions thereof; wherein the plurality of attachment points comprises a first array located at or near a first side edge portion and a second array located at or near a second side edge portion, wherein each of the first array and the second array comprises at least three attachment points; and characterized in that each of the attachment points is keyhole shaped and adapted to engage with and secure therein a complementary element of a clip (4, 5, 6, 7, 10, 12, 15), thereby enabling the display brochure holder component to be clipped to, and secured with, an adjacent like display brochure holder component; and at least one clip (4, 5, 6, 7, 10, 12, 15), which is adapted to engage with each of the plurality of attachment points of the display brochure holder component, the at least one clip having two engagement means configured to engage adjacent keyhole-shaped attachment points of the first or second array; wherein the attachment points of the first and second array are evenly spaced so that the display brochure holder component can be adjustably connected, using the clip, to an adjacent like display brochure holder component in a plurality of configurations including a compressed tiered configuration and an expanded tiered configuration.