Aka "Inspectional reading".
Table of contents.
Check index. Estimate range of topics covered and kinds of references. Are there terms crucial to you? Look up some of the passages cited.
Read publisher's, Amazon's blurb.
Read key sentences in the beginning and end of crucial chapters.
Turn pages, here and there, read paragraph or two, sometimes up to a few pages.
Last few pages (before epilogue).
https://ryanholiday.net/read-to-lead-how-to-digest-books-above-your-level/ Ruin the ending.