When Max and the Flock discover an unscrupulous scientist who is experimenting on humans in an effort to "improve" the human race, they decide that they must try to stop him, in spite of Angel's prediction about Fang dying.

When millions of fish start dying off the coast of Hawaii and something is destroying hundreds of ships, the government enlists the Flock--a band of genetically modified children who can fly--to help get to the bottom of the disaster before it is too late.

Bick Kidd and his globe-trotting siblings Beck, Storm and Tommy may have completed their first treasure hunt after their father was lost at sea, but their kidnapped mother is still in the hands of nasty pirates. Their search for a rescue plan takes them down the Nile river in Africa, where they'll have to navigate everything from Egyptian pyramids in the desert to wet-and-wild jungles - not to mention life-threatening encounters with wilderness diseases,...

Daniel faces dastardly Number Two, who has slowly been amassing an underground army of aliens to help him enslave Earth's population in preparation for the arrival of Number One, the most powerful alien in the universe and Daniel's arch-nemesis.