Black Holes Space objects with gravity so strong that even light is trapped inside, like invisible space whirlpools, sucking anything nearby to its doom.

Extreme Structures This is a book of megastructures, from cloud-piercing skyscrapers and ultra-deep tunnels, to total-luxury hotels and enormous
super-span bridges.

Green Power With global warming top of the news agenda, this title reveals a broad-brush view of energy supplies, pollution problems, and possible solutions for a greener planet.

Micro Machines Introducing nanotechnology, with tiny machines built atom-by-atom, making possible devices smaller than a grain of sand, and materials harder than diamond.