Electronically stored information (ESI) has transformed litigation. In a world where e-mail records can now make or break a case, attorneys must manage ESI effectively at every phase of litigation and make the most of laws governing its use. This authoritative book not only explains the latest rules affecting ESI, but also helps lawyers seize the upper hand in procedural matters involving jurisdiction, discovery, and evidence as well as in substantive areas including contracts, torts, and criminal law.