Complex sentence: I am aware of the caveats with term "cult apologist", which is discussed in detail the book I linked to, where it is explained early on that it would be used as shorthand in the book (abuse of language).
Split into simpler sentences: I am aware of the caveats with the term "cult apologist", which is discussed in detail in the book I linked to. There it is explained early on that it would be used as shorthand in the book (abuse of language).