Get the expanded edition of Crystal Cash Secrets, including the full text of the Crystal Cash Rainbow, in one convenient volume at Kobo, Smashwords, or Google Play! Hit the button for the retailer of your choice.
The Crystal Cash series is still available as individual titles on Amazon, B&N, Apple, and some others. I haven't taken anything away, just added some convenience. If you only read on Kindle mobi, don't forget you can buy Kindle compatible mobi books from Smashwords.
