<p>If there is a “not in stock” on the line for the prices of the new book, it means that they only have used versions.
If there is a “not in stock” on the line for prices of the used book, it means that they only have new versions. </p>
<p>If you see the <em>, you would scroll down to the “</em> Examples of ‘Not in Stock’ are:” section to see why the book is not in stock. If there is no * on either of the used or new books line, then they have both used and new books.</p>
<p>I hope I made sense.</p>
<p>Don’t know the answer your other question on the books. >< I guess they would prefer the early trans book but the single variable works too? I just used the TRS service. =P</p>