New sample: looking up Amazon data

The macro for looking up data in Amazon is now complete, and you can read a description and download it from here, together with an empty sample database for you to experiment with.

Anyone who has to maintain a database of books will find this useful (at least if the books are new enough to be listed on Amazon) and the principles behind the macro can be applied in other situations where you want to fill in Cardbox data from an online search.