| 摘要 |
A book stand that is adjustable in the vertical as well as in tilt, and which utilizes a book ledge which is adjustable in width so as to accommodate books and other reading materials of different thicknesses. The backplate of the book holder has a rear book ledge secured along its lower edge, with a plurality of apertures extending therethrough. These apertures receive a plurality of pegs or rods extending from a front book ledge. The pegs may be positioned at varying distances within the apertures and thereby position the front ledge with respect to the rear ledge so as to accommodate books are varying thicknesses. The front ledge has a transparent page-holder extending perpendicular to its upper surface to hold back the pages of the printed material. The invention also includes an extension plate which rests on the two ledges for ring binders which may be quite thick but do not require the page-holder.
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