Given only the ISBN number or the title of a book, how to collect more information about this book?
Bonus points for being able to do this via an API.
There is a question about ISBN API also on Stackoverflow.
Full question here: What is the most complete (free) ISBN API?
The most efficient way is a web search restricted to Amazon.
For instance, in Google and searching for ISBN 1590596439:
There is also an API, but I don't have any experience using it. A starting point could be "Merits of Amazon book API versus Google book API?".