The 2009/2010 edition of Investment Yearbook addresses such issues as investment flows, trends in international investment agreements, treaty-based arbitration cases, the procedural side, and ICSID.

The edition includes articles by Persephone Economou and Karl P. Sauvant; Peter Muchlinski; Ian A. Laird, Borzu Sabahi, Fédéric G. Sourgens, and Sobia Haque; Erlend Bakken and Tonje P. Gormley; Emmanuelle Cabrol; Jarrod Wong and Jackson Yackee; Carolyn B. Lamm, Chiara Giorgetti and Hansel T. Pham; Maria Vicien-Milburn and Andreeva; Lee Caplan; Armand de Mestral; Christopher S. Gibson; Louis T. Wells; Anne van Aaken and Jürgen Kurtz; Lauge Skovgaard Poulsen; Jeswald W. Salacuse; and Muthucumaraswamy Sornarajah.