Torchwood: Everyone Says Hello by Dan Abnett

Across Cardiff, ordinary people are behaving in odd ways: saying hello to one another, and going out of their way to greet people. Torchwood discovers that an alien communications field is gathering strength in the city. The team must find the device responsible and shut it off-before civil unrest engulfs the city.

Torchwood: Slow Decay by Andy Lane

When Torchwood track an energy surge to a Cardiff nightclub, the team finds the police are already at the scene. Five teenagers have died in a fight, and lying among the bodies is an extraterrestrial device. Next morning, they discover the corpse of a Weevil, its face and neck eaten away, seemingly by human teeth...

Power Electronics: Devices, Drivers, Applications and Passive Components

Only by understanding both semiconductor device theory and high-power application can the designer be sure of selecting the correct power device for a given application. This book covers both the switches themselves and the circuitry required to make them work effectively. In this revised and updated version the author has added an entire new section on passive components - capacitors, soft magnetic materials, and resistors. 

The Centauri Device

John Truck was to outward appearances just another lowlife spaceship captain. But he was also the last of the Centaurans – or at least, half of him was – which meant that he was the only person who could operate the Centauri Device, a sentient bomb which might hold the key to settling a vicious space war. M. John Harrison’s classic novel turns the conventions of space opera on their head, and is written with the precision and brilliance for which is famed.