I have always found the Polymecha series to be useful even if not directly what I was looking for when I purchased the produce. The ideas they present always spr one's immagination in new ways. Thanks for a wonderful line of documents.<br><br> <b>LIKED</b>: Everything<br><br><b>DISLIKED</b>: Nothing<br><br><b>QUALITY</b>: Excellent<br><br><b>VALUE</b>: Very Satisfied<br>