Abstract: An adjustable book holder for supporting a book or the like in an opened position includes a front member having a horizontal base portion and a transparent support panel extending upwardly and rearwardly from the front end of the horizontal base portion. The book holder also includes a rear member having a horizontal base portion and a support panel extending upwardly and rearwardly from the front end of the base portion of the rear member. The lower surface of the base portion of the rear member includes a toothed rack which releasably engages a mating toothed rack provided by the upper surface of the base portion of the front member for positioning the support panel of the rear member generally parallel to the support panel of the front member and spaced apart therefrom by a distance that is adjustable to account for books of different thicknesses.