The New Guy In Moon Base Twelve    by Tom Lichtenberg
Price: Free! 18830 words. Published on February 11, 2012. .
They weren't exactly the crew the President had in mind when he announced his plan to build a permanent base on the moon so the Chinese wouldn't do it first, but there they were, a boring collection of peaceful, happy settlers who couldn't even get a decent reality TV show rating. Life was perfectly dull until the new guy arrived. Now if they could only find out who he was and where he'd come from

The Planet-Girded Suns: The History of Human Thought About Extrasolar Worlds    by Sylvia Engdahl
Price: $2.99 USD. 87430 words. Published by Ad Stellae Books  on May 18, 2012. .
From the late 17th century until the end of the 19th, almost all educated people believed that the stars are suns surrounded by inhabited planets. This book, first published by Atheneum in 1974 and now updated to include the scientific knowledge gained during the past 40 years, tells the story of the rise, fall, and eventual renewal of widespread conviction that we are not alone in the universe.

Time Train    by Beverley Jane Westwood
Price: $2.95 USD. 101870 words. Published on June 17, 2012. .
Time train is an action packed, dystopian, science fiction adventure for early teens, although adults may also enjoy it. Aliens, fractals, the Wow! signal, quantum computers, and artificial intelligence abound in a tale of friendship and hope. A captive journey through space and time, this story is grounded in real life science and will draw you in like a black hole.

Gliese Utopia    by Eero Tarik
Price: $0.99 USD. 7340 words. Published on July 28, 2012. .
As Earth searched for planets, they came across one orbiting a sun they called Gliese. Messages were sent to Gliese, but unfortunately the recipients had no idea what the communications meant. Twenty year later the spaceship from Gliese appeared in orbit around Earth and began to rebroadcast the message they had received from Earth. W-H-Y-D-O-N-T-Y-O-U-F-U-C-K-I-N-G-H-E-L-P-U-S M-I-K-E