It is often said that the Koran is the best prosecution witness against Islam. The problem for the uninitiated is that it is so impenetrable and confusing.
This version, the Koran at a Glance, highlights the bits of concern to non-Muslims, and also puts the suras (chapters) in the right order.
This is the Skeptic’s Annotated Koran with explanatory, and not often complimentary, notes.
This is a searchable Koran. Older children, not of a nervous disposition, might be interested to enter, for example, the word “fire”.