The book discusses the legal aspects of international securities markets, focusing on the impact of computerization and globalization. It looks at how investors use intermediaries like custodians and depositaries, and explores various services and products in these markets. This includes collateralization techniques, custody, settlement, and repackaged securities. The book covers both domestic and international law, making it useful for newcomers and experienced professionals managing legal risks in cross-border securities. It is written in plain language for easy understanding by anyone interested in the topic.