A picture book to help protect your children

A friend recommended the following book to me. It is a frum book about avoiding tragedies like the one in NYC last week. Follow link for details.

http://matzav.com/how-do-we-protect-our-children

In the comments section, it makes clear that this book focuses on interactions with malicious strangers (like in the situation last week). Statistically, most children who are harmed (lo aleinu) are harmed by people they know. The next printing of the book will have this topic added.