Sharyn Lock has been volunteering in Palestine since 2002. She has accompanied Palestinians in their nonviolent resistance to the West Bank Wall and volunteered at a Palestinian medical clinic in Lebanon during the 2007 attacks on Nahr El Bard refugee camp. She was also involved in planning to take boats through the sea blockade to Gaza with the Free Gaza movement. She has written for New Internationalist, Red Pepper and the Big Issue North. Sarah Irving is a freelance writer whose work has appeared in Electronic Intifada, Guardian Online and New Internationalist. She has held editorial roles at Red Pepper, Peace News and Ethical Consumer magazine. She is author of the Bradt Guide to Palestine (2011) and co-author (with Sharyn Lock) of Gaza: Beneath the Bombs (Pluto, 2010).