Matt, a young cabin boy aboard an airship, and Kate, a wealthy young girl traveling with her chaperone, team up to search for the existence of mysterious winged creatures reportedly living hundreds of feet above the Earth's surface.

Dusk, the world's first bat, must lead his colony to safety in a time of changing species.

As members of the first crew of astralnauts, Matt Cruse and Kate De Vries journey into outer space on the Starclimber and face a series of catastrophes that threaten the survival of all on board.

"The invasion begins--but not as you'd expect. It begins with rain. Rain that carries seeds. Seeds that sprout--overnight, everywhere. These new plants take over crop fields, twine up houses, and burrow below streets. They bloom--and release toxic pollens. They bloom--and form Venus flytrap-like pods that swallow animals and people. They bloom--everywhere, unstoppable.Or are they? Three kids on a remote island seem immune to the toxic plants. Anaya,...

Griffin, a young bat, is sucked into the "Underworld," and his father follows to rescue him.

"When wasps come to Steve in a dream offering to fix his sick baby brother, he thinks all he has to do is say yes. But yes may not mean what Steve thinks it means"--

Aboard "The Boundless," the greatest train ever built, on its maiden voyage across Canada, teenaged Will enlists the aid of a traveling circus to save the train from villains.

The Rylance family is stuck. Dad's got writer's block. Ethan promised to illustrate a group project at school--even though he can't draw. Sarah's still pining for a puppy. And they all miss Mom. So much more than they can say. Enter Inkling. Inkling begins life in Mr. Rylance's sketchbook. But one night the ink of his drawings runs together--and then leaps off the page! This small burst of creativity is about to change everything. Ethan finds him...

Fans left desperate for more at the end of Bloom will dive into this second book of the Overthrow trilogy--where the danger mounts and alien creatures begin to hatch. First the rain brought seeds. Seeds that grew into alien plants that burrowed and strangled and fed. Seth, Anaya, and Petra are strangely immune to the plants' toxins and found a way to combat them. But just as they have their first success, the rain begins again. This rain brings eggs....

In the late nineteenth century, a budding romance develops between Rachel and Samuel, two teenagers from rival families of fossil hunters heading out to the badlands in seach of a rare dinosaur skeleton.