The Handbook of Cross-Cultural Psychology (2nd edition) is now online at Google Books. This edition was published in 1997 and had been out of print for a while. As a service to the scientific community, the editors have arranged to make it available online.
Google Books provides full text search, which means that you can search the entire volume in one step.
Volume 1: Theory and Method (John Berry, Ype Poorting, Janak Pandey)
Volume 2: Basic Processes and Human Development (John Berry, Pierre Dasen, T.S. Saraswathi)
Volume 3: Social and Behavioral Applications (John Berry, Marshall Segall, Cidgem Katitcibasi)