Sanctum Books republished all the pulp-era Doc Savage titles — including The Red Spider. (The novel was shelved in 1948 and printed in 1975 by Bantam Books.) The Sanctum editions were usually two novels per volume and included original pulp artwork. (Unlike the Bantam reprints.) The Sanctum books also often include articles by Will Murray and occasionally material that had been removed from the original manuscript by the pulp editor. The covers usually utilize the original pulp art, but some issues were published with variant Bantam covers.