The first book of Nathan Lowell's Trader's Tales from the Golden Age of the Solar Clipper series is free and the next two books are currently 99c at Amazon. Prices may be similar in various countries as I get similar prices in the German store.
These are self published although they were originally released as podiobooks and also published as ebooks by Ridan.
I have enjoyed and bought most of the series. They are a bit different from the standard space opera and are a bit of a coming of age tale/ daily life story without large battles and enemies.
Book 1 Quarter Share
http://www.amazon.com/Quarter-Share-.../dp/B00AMO7VM4
Book 2 Half Share
http://wwwamazon.com/gp/product/B00AO8QMIW
Book 3 Full Share
http://www.amazon.com/gp/product/B00BJABX92
Book 1 synopsis
The Golden Age of Sail has Returned -- in the Year 2352
When his mother dies in a flitter crash, eighteen-year-old Ishmael Horatio Wang must find a job with the planet company or leave the system--and NerisCo isn't hiring. With credits running low, and prospects limited, he has just one hope...to enlist for two years with a deep space commercial freighter. Ishmael, who only rarely visited the Neris Orbital, and has never been off-planet alone before, finds himself part of an eclectic crew sailing a deep space leviathan between the stars.
Join the crew of the SC Lois McKendrick, a Manchester built clipper as she sets solar sails in search of profit for her company and a crew each entitled to a share equal to their rating.