Trial version contains the first page only. Otherwise, you'd get weird error messages. Trial version contains the introductory Chapter 1, and the first two pages of the second. There are no other variables. Click to the Glossary.
Trial version contains the whole glossary.
In case you hit any terms you don't know, just link here for an explanation. You'll see that I've left no stone unturned. Trial version contains the whole Index. No answer is ever more than a click or two away. The links will no longer work.