Search Worlds Without End

In the future, when the Sun has expanded and is ready to go nova, few animal species remain while plants have adapted to fill animal niches. One of the few species to survive are humans, but in much-altered forms. It is here where young tribal Gren finds himself captured by an intelligent fungus with plans to colonize humans to control the world! Hothouse tells the story of a remarkable journey of discovery that will alter your perceptions about the true nature of the world today... and the world to come!

A generation after the events of The Long Earth, humankind has spread across the new worlds opened up by "stepping." A new "America" - Valhalla - is emerging more than a million steps from Datum - our Earth. Thanks to a bountiful environment, the Valhallan society mirrors the core values and behaviors of colonial America. And Valhalla is growing restless under the controlling long arm of the Datum government.

Soon Joshua, now a married man, is summoned by Lobsang to deal with a building crisis that threatens to plunge the Long Earth into a war unlike any humankind has waged before.

2040-2045: In the years after the cataclysmic Yellowstone eruption there is massive economic dislocation as populations flee Datum Earth to myriad Long Earth worlds. Sally, Joshua, and Lobsang are all involved in this perilous work when, out of the blue, Sally is contacted by her long-vanished father and inventor of the original Stepper device, Willis Linsay. He tells her he is planning a fantastic voyage across the Long Mars and wants her to accompany him. But Sally soon learns that Willis has ulterior motives...

Meanwhile U. S. Navy Commander Maggie Kauffman has embarked on an incredible journey of her own, leading an expedition to the outer limits of the far Long Earth.

For Joshua, the crisis he faces is much closer to home. He becomes embroiled in the plight of the Next: the super-bright post-humans who are beginning to emerge from their 'long childhood' in the community called Happy Landings, located deep in the Long Earth. Ignorance and fear are causing 'normal' human society to turn against the Next - and a dramatic showdown seems inevitable...