Copies of Charlie Hebdo's survivors' edition have flown off the shelves and are fast selling out across the country.
At The French Bookshop in South Kensington, all available issues had been snapped up shortly after opening.
About 7,000 French Jewish people left the country last year and have moved to Israel because they did not feel safe.
The aunt of a man killed while trying to overpower gunman Amedy Coulibaly has told ITV News her family is fearful of their future in France.
A Muslim cleric in Pakistan has held a ceremony to honour Cherif and Said Kouachi, the two men suspected of the Charlie Hebdo massacre.