my $ua = Net::Amazon->new(
    token         => 'YOUR_AMZN_TOKEN',
    secret_key  => 'YOUR_AMZN_SECRET_KEY',
    # response_dump => 1,
);

##</code><code>##

0.61 (10/28/2011)
(cb) rt 71937; Amazon now requires an Associate Tag, so enforce usage.