Here are is an example of Astrolite bookends. Produced in quantity, sleek and modern, but also visually very interesting.
Description from seller: Acrylic bookends with molded metal decoration by Ritts Co, Los Angeles, “Astrolite” (foil label). 6” tall. Sold. Image source: modpie.
Astrolite bookends described as “Moonscape.” 6” tall by 4” long by 2 1/4” deep. Excellent original condition. Image source: Tom Gibbs Studio through 1stdibs.com. Price $850 (!)