How are kids supposed to figure out how the teachings of the Bible relate to what they're facing in the world today? There is so much in popular culture that isn't specifically mentioned in the Bible, but clearly violates the teachings of God. Abortion, for example, is not mentioned in the Bible, and because of that, there are those who say it's not wrong because God never said it was wrong. That kind of stuff can be very confusing to teenagers who are bombarded with sinful messages throughout popular culture.
The Ten Commandments cover all the sins that one could commit, but unless someone goes through each one and points out HOW it covers them, who would know? For example, though shalt not commit adultery covers ALL the sexual sins, but who would think that upon just reading those words?
Folks DO need guidance, and I could see how this work could be useful IF it's covered with kids in discussion groups led by someone faithful to the Word, or by the kids' parents. You have to be careful to make sure that the kids understand what's being taught and WHY! You can't just let them create their own interpretations.
It would help a lot if parents had a strong enough relationship with God they knew how to teach the Bible to their children.
Even though "abortion" isn't mentioned per se, the act of causing death to the unborn is clearly sanctioned for severe penalty in Leviticus.