Sisters of the Winter Wood by Rena Rosner is
$1.99 on
Amazon.com
This combines a retelling of retelling of the narrative poem
Goblin Market with a story about two young Jewish-Ukrainian sisters who can turn into animals.
Here's a
favorable review by Bogi Takács.
Kings of the Wyld by Nicholas Eames is
$2.99 on
Amazon.com
This is a somewhat humorous fantasy set in a society where bands of mercenaries are as popular a modern-day rock bands. There's a sequel, but I think this one's standalone.
A
favorable SFF180 video review convinced me to try it.