This document provides a summary of the Tom Clancy book "Net Force" including key characters and plot points. It describes the main character Alex Michaels as the leader of Net Force who is dedicated to finding the person who killed his friend. It also introduces the computer expert Jay Gridley and agent Toni Forrila. The summary teases an action-packed story involving a terrorist attack and the race to stop further attacks and catch the assassin before more lives are lost.