YES and KNOW kids' science magazines closed suddenly

January 2012
[This post has been updated]The sudden closure of YES, a science magazine for youths 7 to 14  and KNOW a science magazine for kids 6 to 9, published by Peter Piper Publishing Inc. of Victoria, B.C., may be an object lesson for small publishers.YES started in 1996; KNOW six years ago. In August, 2009, the Mad Science Group, based in Montreal, bought out Peter Piper Publishing, owned