Barkley Sound savings can be found all over the place this month:
Dark Waters is Kindle Monthly Deal and is $2.49 in the US – https://www.amazon.com/Dark-Waters-Barkley…/dp/B00AQ2A86S/
The Barkley Sound series are .99 each in the UK – https://www.amazon.co.uk/dp/B074CH925F
