For tired eyes, reading the small text of a paperback book sometimes seems an insurmountable task. This page magnifier from LightWedge makes it possible to read the fine print without strain, illuminating and magnifying text to greater legibility. This page magnifier is designed for use with paperback books measuring 7-1/2 by 5-1/2 by 1/2 inches. LightWedge offers a warranty registration program. --Jessica Reuling