David Smith's "Sweet Tooth" (short story, rebellion, free)

Some men in a group of rebels opposing the alien occupation of earth are using an ingenious technique to pass messages among the group, in spite of serious alien surveillance, using in the process a weakness of a local alien commander...

Fact sheet.

First published: Short-Story.me, 12 July 2013.
Download full text from publisher's site. [via SF Signal]
Rating: B.