Tally lives in a world where your sixteenth birthday brings aesthetic perfection: an operation which erases your flaws, transforming you from an 'Ugly' into a 'Pretty'. She is on the eve of this event, and cannot wait for her life to change. As well as guaranteeing supermodel looks, life as a Pretty seems to revolve around having a good time.

Parasites can: rewrite DNA; rewire the brain; genetically engineer viruses as weapons; and turn healthy hosts into the living dead. This book follows researchers as they penetrate the mysteries of these omnipotent creatures who control evolution, ecxosystems, and perhaps the future of mankind.

Combining a historical setting, a supernatural theme and a compelling and likeable heroine, this is a novel for teen girls.

Meet the Midnighters. By day, they're teenage outsiders, dressed in black coats and bad attitudes. By night, they just might be our last hope. . .

Poison must travel to the end of the world to outwit the Phaerie Lord and get her sister back. But are those of whom she meets on the way trying to help her - or lead her into a trap?