To find out more about it, click here This blog was written for Invisible Paris.
He took a bet that this invisible France would quietly back change, and prevail over the rest.
"The tournament organizers want you to be invisible," Douglas Mo, a ball boy at the U.S. Open, told me last summer at the National Tennis Center.
On her blog, Invisible Tibet, the well-known part-Tibetan, part-Han Chinese writer Tsering Woeser has a photograph that she says appears to show the self-immolations.
For a more contemporary examination of New York, the press has also signed a contract with Stanley Greenberg, author and photographer of "Invisible New York".
A result, he said, is "the invisible Savannah," 30,000 to 35,000 people who live below the poverty line, many of them working multiple, low-paying jobs.
This is an edited extract from Invisible: Britain's Migrant Sex Workers by Hsiao-Hung Pai, published by the Westbourne Press at £10.99 on 15 April 2013.
Rachel tried to control, Natasha tried to make herself invisible, Charlotte became attention-seeking and they all argued all the time.
On Tuesday, a 58-year-old farmer, Dorje Rinchen, became the 63rd Tibetan to choose this way to die, according to the Tibetan poet and dissident Woeser, writing (in Chinese) on her blog, Invisible Tibet.
