Tor.com's offering the first five of Seanan McGuire's Wayward Children series over the next five days completely free. USA and Canada only.
https://ebookclub.tor.com/
The first one's available today only! So go and get it.
Download Schedule:
Monday, November 30th - Vol. 1: EVERY HEART A DOORWAY
Tuesday, December 1st - Vol. 2: DOWN AMONG THE STICKS AND BONES
Wednesday, December 2nd - Vol. 3: BENEATH THE SUGAR SKY
Thursday, December 3rd - Vol. 4: IN AN ABSENT DREAM
Friday, December 4th - Vol. 5: COME TUMBLING DOWN