Just saw this today...
Gryphonwood is offering 2 free books, Seabird- An Invitation, and The Place of Three Tombs by Sherry Thompson at Smashwords.
Using the following coupon codes at checkout...
Seabird- HU75U
Link:
https://www.smashwords.com/books/view/5360
The Place of Three Tombs- BQ62V
Link:
https://www.smashwords.com/books/view/11695
Expires 15 April so hurry!