People who have an incontrolable need to hate won't be stopped by anything, but still, it is not wise to give them amunition. Jews did not kille christian children. It is a lie. When people are obsessed with hatred the invent the most absurd excuses to let their negative energy loose. You don't need to write books about this. Simply look at the psychology of mankind.
Germany's Merkel says military efforts needed in Syria but they won't end war (Reuters)
from the article: MKs demand the author of blood libel book be prosecuted