Below is a short list of selected handbooks and treatises covering the WTO and international trade law generally. See also Books, working papers, etc. for locating additional books.
"The WTO Analytical Index: Guide to WTO Law and Practice is an article-by-article guide to the interpretation and application of the WTO agreements by WTO bodies. It covers the jurisprudence of the WTO Appellate Body, panels and arbitrators as well as related decisions and other significant actions taken by other relevant WTO bodies." The online edition is now the only current edition and the only format being updated.