The Sisterhood is on the verge of implosion in "this entertaining installment in [the] remarkably vital series" from the #1 bestselling author (Booklist).

This time, the Sisterhood might be their own worst enemies . . .
Through all their adventures, the bond of the Sisterhood has remained steadfast and unshakeable. But for the first time, the Sisterhood verges on falling apart when...

"In an unnamed Middle Eastern security state, a young Arab-Indian hacker shields his clients--dissidents, outlaws, Islamists, and other watched groups--from surveillance and tries to stay out of trouble. He goes by Alif, the first letter of the Arabic alphabet, and a convenient handle to hide behind. The aristocratic woman Alif loves has jilted him for a prince chosen by her parents, and his computer has just been breached by the state's electronic...

Sidelined after two operations gone wrong and a terrible personal loss, former Delta and new intelligence agent Dewey Andreas defies his superiors in a race against time to stop a deadly terrorist plot on U.S. soil.

When the mysterious Glyphmaster tricks Adam into solving a puzzle and then hacks his computers, Adam, Finn, Lewis, and Emily are pulled into a mystery that is more trouble than they ever imagined.

After being interrogated for days by the Department of Homeland Security in the aftermath of a major terrorist attack on San Francisco, California, seventeen-year-old Marcus, released into what is now a police state, decides to use his expertise in computer hacking to set things right.

When Marcus, once called M1k3y, receives a thumbdrive containing evidence of corporate and governmental treachery, his job, fame, family, and well-being, as well as his reform-minded employer's election campaign, are all endangered.

"When Kurt Austin is injured attempting to rescue the passengers and crew from a sinking yacht, he wakes with fragmented and conflicted memories. Did he see an old friend and her children drown, or was the yacht abandoned when he came aboard? For reasons he cannot explain, Kurt doesn't trust either version of his recollection. Determined to know the truth, he begins to search for answers, and soon finds himself descending into a shadowy world of state-sponsored...

"Letty Davenport, the tough-as-nails adopted daughter of Lucas Davenport, takes on an undercover assignment that brings her across the country and into the crosshairs of a dangerous group of hackers"-- Letty Davenport's days working a desk job at are behind her. Her previous actions at a gunfight in Texas--and her incredible skills with firearms--draw the attention of several branches of the US government, and make her a perfect fit for even more...