I can confirm that this is evil like crack. I've downloaded the first (free) book of 2 different series' and ended up purchasing the rest of the books in each

I can confirm that this is evil like crack. I've downloaded the first (free) book of 2 different series' and ended up purchasing the rest of the books in each as a result. They gave me two and I bought 5 more. Even better, they were both by authors that I haven't read before.