Last Chance in Vegas (A Mathematical Mystery)

On the trail of a couple of missing alpacas, disaster-prone Tom Winscombe has somehow ended up at an online gambling convention in Las Vegas.
With the assistance of his mysterious new companion Ada, his quest takes on a dangerous turn as he finds that this time he has some hungry wildlife to contend with, as well as a cast of disreputable and downright dangerous human characters.
As the stakes get higher and his chances of survival drop lower, Tom finds the only solution may be to forge an unexpected alliance with someone from his past. Will he end up with a winning hand, or will everything fall apart like a house of cards?