Since 1978, Shaw has painted more than 500 book and magazine covers, including covers for books by such science fiction luminaries as Harlan Ellison, Isaac Asimov, Philip K. Dick, C. J. Cherryh, Larry Niven, and Frederik Pohl. 

Shaw has also been providing digital illustration and 3D animation support to The Defense Advanced Research Projects Agency (DARPA) since 1996, as well as to other U.S. government and private sector clients.
https://barclayshaw.com

We present here the covers and art he did for the first six Tarzan books in the Ballantine/Del Rey editions
Tarzan of the Apes (Sep 1990) ~ The Return of Tarzan (Nov 1990) ~ The Beasts of Tarzan (Jan 1991) ~ The Son of Tarzan (Mar 1991) ~ Tarzan and the Jewels of Opar (May 1991) ~ Jungle Tales of Tarzan (Jun 1991)