Second paragraph of third chapter:

‘Ssseize him!’ snarled Dr Harbinger, but the robots had already released the dauntless Binky Sharperton, and were e‘en now closing on Harbinger‘s escaped nemesis. The first of the diabolical automata raised the electrical tendril to which its miniaturized chronon ray was mounted, but even steel was no match for Mr Misnomer‘s legendary right hook. The leather gauntlet pounded the brute machine‘s trisilicate face, and sparks flew from its antennae as it blew a fuse.⁵
⁵ Passages like this one demonstrate a wilful ignorance of basic cybernetics theory. Oobert Valdeburg (see Bibliography) claims this suggests a dearth of Public Domain robotics data in the 2530s, a theory which is provably untrue. More likely, it indicates a mistrust of technology typical of puritanical ‘back-to-basics’ cultures. Ironic, then, that almost all of Mr Misnomer‘s adventures were written by autolit engines. Note also how electronic menaces such as the Nemesis Doomsday Engine and Dr Harbinger‘s Megalomanopticon are always fitted with built-in self-destruct mechanisms, against all sense and reason.

I thought this was a rather good entry in the Bernice Summerfield spinoff series of books. Benny appears on a hollow world, encumbered with two junior archaeologists, and encounters various archetypes (dinosaurs, cavemen, useless Nazis (the best kind)) and threatening situations. Perhaps a little more going on than I had braincells to process at the time. But it all seemed to make sense. You can get Down here.

Next in this sequence is Deadfall, by Gary Russell.