This following book may be of interest to some people in this discussion thread. It's a re-issue of a book published decades prior, so of course it is not up-t

This following book may be of interest to some people in this discussion thread. It's a re-issue of a book published decades prior, so of course it is not up-to-date. But it is deeply researched and really quite fascinating. Munk, Walter, and Gordon J. MacDonald. The Rotation of the Earth: A Geophysical Discussion. Digitally printed version. Cambridge Monographs on Mechanics and Applied Mathematics. Cambridge: Cambridge University Press, 2009.