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 ship. Davy Shea, now fifteen years old and accepted by the Aurora's crew, continues to help his uncle Patch in the ship's surgery, but Captain Hunter has a special mission for him.
The Captain has learned that captured British officers are being held on the island for ransom from the Crown, and he is determined to rescue those officers, even risking the...

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 dwindling water supply. The group decides to onstruct an automated station in a rift valley where ice accumulated from the atmosphere will be melted and moved through warming pipelines to Marsport.
The kids of the Asimov Project participate in the work, but then a fierce storm hits and a team that includes Jenny is isolated and lost. Despite orders not to leave Marsport, Sean...