Nicholas Keegan and Aleksandr Zorin are back in this second installment of the Chaos series by D.J. Schuette, but it's FBI New-Agent-in-Training Addison Lange who takes center stage in Maelstrom. Using her inimitable coding and hacking skills, honed through a decade of grief and guilt, Addie embarks on one final, desperate search for her brother, Tommy, who disappeared from their front yard in 2006. Meanwhile, FBI profiler Nicholas Keegan deals...