People.com Entertainment Books Without Precedent By Gilbert Cruz Published on August 18, 2006 04:00 AM Share Tweet Pin Email The co-chairs of the 9/11 Commission recount the group’s work, focusing largely on its investigation and the balancing of competing interests: victims’ families, the White House, Congress, the intelligence community, and the general public. Target Audience Wonks and 9/11 completists. Worth It? Without Precedent is mostly dry but deeply informative work that should be read alongside the commission’s report.