The Wheel. A ring of ice and metal turning around a moon of Saturn, home to a mining colony supplying a resource-hungry Earth—a colony plagued by problems. Equipment failures and thefts are on the rise. Children tell stories of mysterious creatures glimpsed aboard the Wheel. And some of the younger workers refuse to go down into the warren-like mines.
 
And then one of them, surfing Saturn’s rings, saves an enigmatic blue box...

Aboard the Wheel, a ring of ice and steel turning around a moon of Saturn and home to a mining colony supplying a resource-hungry Earth, the [2nd] Doctor, Jamie and Zoe become enmeshed in a critical situation. Suspected of sabatoge, they soon find themselves caught in a mystery that goes right back to the creation of the solar system. A mystery that could kill them all.

"It has been 14 years since the Martians invaded England. The world has moved on, always watching the skies but content that we know how to defeat the Martian menace. Machinery looted from the abandoned capsules and war-machines has led to technological leaps forward. The Martians are vulnerable to earth germs. The Army is prepared. So when the signs of launches on Mars are seen, there seems little reason to worry. Unless you listen to one man, Walter...

A mysterious glowing orb appears over Central Asia, ripping the Earth into conflicting eras of the past, present, and future, mingling UN peacekeepers from the year 2037 with military forces from past eras.

Failing to eliminate life on Earth after their first attack, the Firstborn send a Q-bomb weapon to finish the job. Two cryogenically frozen females and a group of scientists studying the Eye, an artifact of the Firstborn, may be the only hope of finding a way to counter the onslaught.

The Next--the hyper-intelligent post-humans--realize that the missive they received from the center of the galaxy contains instructions for kick-starting the development of an immense artificial intelligence knows as The Machine. But to build this computer the size of an Earth continent, they must obtain help from the more populous and still industrious worlds of mankind.

The Long War by legendary author and Discworld creator Terry Pratchett and award-winning science fiction novelist Stephen Baxter follows the adventures and travails of heroes Joshua Valiente and Lobsang in an exciting continuation of the extraordinary journey begun in the New York Times bestseller The Long Earth.

War has come to the Long Earth....

Humankind has spread across the new worlds opened up by stepping, which

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