Safe Harbor? Five months into their undercover search for the pirate Jack Steele, Captain Hunter and the Aurora head for the island of Tortuga to put in for repairs after a battle with a deadly Spanish...

From Bad to worse... Landslides, a deadly climate, and the increasingly unpredictable weather of Mars make survival nearly impossible, but the most immediate problem facing the Marsport colonists is...

The hunt is on!It is 1688 and the Aurora is still sailing under cover, searching for the real pirate king, Jack Steele. Young Davy Shea is a full member of the crew now, helping his uncle in the ship's...

There's no turning back. The year is 2085, and a new teen has arrived at Mars Experimental Station One, a colony built to test humans' ability to live self-sufficiently in an alien and hostile environment....

A Startling Discovery The colony is racing to complete its deep drilling project on the shoulders of Olympus Mons to tap the underlying heat of Mars for power generation. When an unexpected underground...