Anyone e can write and publish a book, it may be used by one person as a way to promote their ignorant hate. Anyone can claim it is for any exam- that isn't a protected class of publishing. No JC book I have seen has similar content and I have seen quite a few as an educator for a multi denominational school!
Jewish faith is taught to all children they learn about it in the context of cultural aspects and later in historical.
There is a small Jewish community, tiny, and there is mutual respect and interest in general.
www.ncca.ie is the curriculum sources