Net::Amazon::Validate::ItemSearch::uk::Keywords;
The default value is Books, unless mode is specified.
The list of available values are:
Apparel
Baby
Blended
Books
Classical
DVD
Electronics
HealthPersonalCare
HomeGarden
Kitchen
Music
MusicTracks
OutdoorLiving
Software
SoftwareVideoGames
Toys
VHS
Video
VideoGames
Watches