Player's Handbook 3: A 4th Edition D&D Core Rulebook: Mearls, Mike, Heinsoo, Rob, Schwalb, Robert J.: 9780786953905: Amazon.com: Books
dnd 4e - D&D 4th edition - area/line of effects - Role-playing Games Stack Exchange
4th Edition D&d Ser.: Rules Compendium : An Essential Dungeons and Dragons Compendium by Andy Collins, James Wyatt, Rob Heinsoo and Jeremy Crawford (2010, Trade Paperback) for sale online | eBay