Both of these are available in several formats, with DRM that limits them to three devices, but they cannot be read on your Kindle.They are both fairly short, though, so you can read them on your PC or phone without too much eyestrain or on an ereader that supports Adobe or Mobipocket DRM.
Triple Threat by Jennifer LaBreque. This one was available to pre-order a few days ago, but may not have shown up in your library (it didn't in mine). Since it is free, just re-order it today.
Subject: Airborne Captain Eli Murdoch.
Current status: Ready and raring to go!
Mission: Serve his country.
Obstacle: Sexy Tara Swenson. Impossible to resist.
Weddings are a minefield for Eli Murdoch. Each time he goes to one, he falls into bed with the same woman—Tara Swenson! But a relationship between a footloose soldier and a homebody can never work. Can it?
Tara can't seem to keep her panties on and her legs together around her former high school crush. But she wants more than wham bam, thank you ma'am. Although Captain Hard Body is very good at that!
When he returns for a third wedding, Tara's faced with a man trained to outmaneuver her! So she makes the first offensive move. Directly into Eli's very willing arms...
The Amazon's Curse by Gena Showalter. This is a short story that is part of the Atlantis series.
Zane, a fierce vampire warrior, has been enslaved by the Amazons. Nola, a lovely Amazon soldier, has been cursed with invisibility. Now, these two stubborn enemies must overcome the pasts that haunt them and embrace a love that can set them free...