True20 versions of SRD monsters, plus some of Green Ronin's own invention. Also includes monster design guidelines and a number of templates. There's no overlap with the monsters listed in the core rulebook so far as I can tell.<br><br> <b>LIKED</b>: The stand-out innovation is the Combat Unit template, allowing the GM to create a single large "monster" from a number of smaller ones working in concert.<br><br><b>QUALITY</b>: Very Good<br><br><b>VALUE</b>: Very Satisfied<br>