For Mr Pockets...
More books translated into Spanish in a year than into Arabic in a thousand…
Here’s the report
http://www.undp.org/rbas/ahdr/ahdr2/...3_bios.qxd.pdf
and here’s an article
http://www.post-gazette.com/pg/04102/299292.stm
There’s more on the web, I found a good Guardian article before but can’t now. Good luck.