I'm buying a college textbook and someone is offering a "comp copy" of the book I need. What does that mean?

Question

Here's the description:

{New. *COMP COPY* *Same as student edition (page for page identical content)*}

Answer 1

the book is in a computer format, such as in microsoft word or a .pdf file of the book

Answer 2

or, comp = complimentary = free, as in present owner did not pay for it

uu