The German government is considering whether to ban a children's book in which Jews are portrayed in a way likened to anti-Semitic caricatures from the Nazi era.

The book, which has been described as being Richard Dawkins's The God Delusion for children, conducts a highly critical tour of Christianity, Islam and Judaism.

Not one of the priest, imam or rabbi emerges creditably from the story, called How Do I Get to God, Asked the Small Piglet, by Michael Schmidt-Salomon, with illustrations by Helge Nyncke.

The drawings of the rabbi, in particular, have drawn fire for their similarities to Nazi slurs and hate propaganda.