cee2 says:
This book caught my attention right off and held it all the way through to the end, so much so that I caught myself frequently ordering up the next several installments immediately after I finished reading the scheduled installment.

It's a frightening tale of a Dept of Homeland Security run amok. I'm not very computer savvy so can't say anything about whether the computer parts are accurate for now or extrapolated for the future, but they seemed believable to me within the story. And I really cared about the characters. This was my first Doctorow book, but I'll be reading more.