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The book PDF is here: https://www.u-cursos.cl/usuario/9553d43f5ccbf1cca06cc02562b4...

Or buy a used second edition at $20: https://www.amazon.com/gp/offer-listing/047170055X/

It depends on what sort of asic stuff fyou want to do, meaning digital or analog.

Adanced chip design by kishore Mishra is very good and like 50 bucks last I remember.

If I were you, I would just look at Amazon reviews and buy whatever looks decently rated and is avalible for cheap used.

Look for Indian editions (their students obviously can't afford American-priced books), these usually have a marker on the cover saying it's not to be distributed outside Indian subcontinent, but it stops no one.