Zelazny and the Perils of Reading at a Young Age

Recently I started readsing Roger Zelazny's  Amber series.  I've been hearing about this for decades, how great it is, and till now it's one of the few things of Zelazny's that I've resisted reading.

See, it's pretty much fantasy, in form if not conceit.  I can see a way to describe the world he created here in quantum mechanical terms and render it SF, but frankly it's a typical sword and sibling fantasy.  Genealogy and combat.

But it's Zelazny, so while reading it one is having a good time.  ...