When mercenaries attack, Ernest Gray's solemn life as a bookstore owner is revealed to be a cover, and his real identity as an ex-CIA agent puts his family at risk.

Tom Sawyer and Huck Finn return in all-new, science-filled adventures. With Becky Thatcher and friends, they tackle trappers, robbers, and old foes-learning real science like gravity, energy, and magnetism along the way.

In 2323, space colonies are at war with each other for resources. A scavenger arrives on one of the abandoned planets. There he meets a stranded armed unit. While exploring they encounter an unstoppable creature.