Advanced Player's Guide - Dungeons & Dragons 4th Edition Supplement Author:Ari Marmell Advanced Player's Guide is a must-have supplement for 4th Edition Dungeons & Dragons players and GMs alike! Written by the esteemed Ari Marmell, one of the most experienced 4E designers, the book contains 3 new races, 5 new classes, 15 new paragon paths, 17 new feats, 7 new rituals, and optional rules concerning wounds.