Dillion 3: Moon Tides & Dillion 4: Tech Style by Madison Bruffy

Dillion 3: Moon Tides
The Defender’s first cargo run turns up the possibility that an old enemy is still alive, forcing the crew to find out the truth once and for all.

Dillion 4: Tech Style
Two stories in one book:-

Tech Wars: The Defender delivers a cargo of computer components to Jayden Four – a world that restricts the use of advanced technology. They no sooner land, than the cargo’s stolen and Dillion has to get it back if she expects to paid for delivering it.

Old Style: Still on Jayden Four, the crew have an old fashion murder brought to their door step. Who killed the industrialist? His wife? His partner? His mistress? Or his twin daughters?