For our choose your own adventure story project I read Mystery at Loch Ness, by Roy Wandelmaier.  The story starts off with you on a vacation in Scotland with your cousin Derek.  You and your cousin are quietly watching television at home when all of a sudden a breaking news report comes on about a missing person, Dr. Gregory, a scientist tracking the Loch Ness Monster has vanished without a trace from her campsite and must be found.  "'Loch Ness is only four miles from here,' says Derek, sipping his hot chocolate.  'I bet we could find Dr. Gregory.'"  With those fateful words you and Derek set out in the night on a trecherous rescue mission to find the good doctor, little do you know of the magical and potentially fatal journey you are about to embark on.

Mystery at Loch Ness becomes pretty PG-13 when you start getting investigating the fishy things that have been going on around the Loch.  Unfriendly men with guns are all over the crumbling castle near the Loch who will kill you given the chance.  If you choose to avoid the castle, then face the werewolf and a witch lurking in the woods around the Loch as well as the additional armed men in a secret cave on the edge of the Loch.  Being a book directed towards younger audiences, you would think that there would be less violence and death.  The story also presents you with many decisions where you have the option of going to get the police or chasing after men with guns when you have none, the police option always ending up in the bad guys getting away, while the decision where you chase unarmed usually leads to one of the better endings.  Perhaps this is to engage readers believe they are being heroic when they aren't calling the cops, just as when in a video game like Star Wars: Knights of the Old Republic some poor old man is being hastled for his Credits by some street thugs, you can be passive or kill the thugs to help the man out. 

CYOA books, when told from the perspective of you inside of the narrative, are mostly Internal-Ontological books because every choice you make takes you down a path that the author has prewritten and the author alone who decides the eventual fate of the universe.  Theoretically you could write a CYOA book where every choice took you to a completely random consequence, unrelated to the decision you were asked to make earlier.  This would certainly be apparent that the reader was not in control of the universe, but rather choosing which universe to explore, the chosen universe deciding the fate of the avatar representing you.  When mapped out, the sum of these narratalogical universes existing within this one book is 19.  The lines drawing the relationships between these universes are chaotic, representing, in a very condensed way, the potential choices and consequences of those choices we may make as we travel through life every day.

While this story may be encouraging children to run out on an adventure so that instead of watching the news, you will be finding faries in the forest and Monsters in lakes, most of the adventuring in this story is done once you have foolishly chosen a decision like telling the robbers that you would rather be thrown in the Loch Ness than locked in a storage closet (the former leading to you being rescued by the fabled monster, Nessie).  It is hard to view this story as anything but 19 slightly different Internal-Ontological narrative universes compiled into one book because the decisions you make are so inconsequential to the outcomes of them, other than placing you at the right place at the right time or the wrong place at the wrong time.  The entirety of the text has also already been written with a definate begining and 19 endings that are unchangable and inevitable if you answer all of the questions.