This book presents the latest findings on one of the most intensely investigated subjects in computational mathematics--the traveling salesman problem. It sounds simple enough: given a set of cities and the cost of travel between each pair of them, the problem challenges you to find the cheapest route by which to visit all the cities and return home to where you began. Though seemingly modest, this exercise has inspired studies by mathematicians, chemists, and physicists. Teachers use it i...

Debbie Wallace is an inspiring young lawyer who has achieved everything she ever wantedexcept being Michael Corman's wife. Michael's father is the most influential senator on Capitol Hill. When he announces his retirement, Michael is sure to win his seat and continue his liberal legacy. That is, until Debbie meets a Christian who shows her that God has a special purpose for her life.

This audiobook is narrated by a digital voice.After the fall of Tir Na Nog, Elves left Earth and established a temporary home on Mars while they explored the stars. Discovering many new worlds, they built a large fleet and began a long exodus. Centuries later, Kaede Hashimoto, a flower Elf and the grandson of the Emperor, is born. However, Kaede is no ordinary child. The Empire has seen mostly peace, but times are changing. As Ogres, Goblins, and even other Elves routinely attack t...

This audiobook is narrated by a digital voice.As Kaede nears his eighteenth birthday he makes new friends and tries to enjoy life. But a dark cloud hangs over him. Galené, a rogue knight, breaks into his room and tells him of a threat to his life. To further complicate matters, the Dökkálfar come out of hiding. Under pressure to maintain peace, Kaede tries to please everyone, while enacting his own plans, but as some friendships grow stronger, others grow weaker, and he struggles t...

This audiobook is narrated by a digital voice.Kaede is growing up fast, and Emperor Takahiro is grooming Kaede as his replacement. Facing many changes in his life, with little control over his life, Kaede goes with the flow and learns to take advantage. Along the way, Kaede makes new friends, sets himself goals and builds his popularity. Privy to secret information and backed by the Emperor's wealth and influence, Kaede builds a business empire. However, the pirates have not given ...

“Alafair Burke's latest propulsive thrill-ride is a suspenseful, twisty mystery about memory, friendship and secrets. A page-turner of the highest order.” -Laura Dave, author of The Last Thing He Told MeThe disappearance of a young woman leaves her best friend reeling and an NYPD homicide detective digging into her own past in this twisty mystery about the power of female friendships. From the New York Times bestselling author of The B...

An innocent boy is on the run from the law and a ruthless assassin in the New York Times bestselling author’s “heart-pounding tale of suspense” (People).After a guard is murdered at a juvenile detention center and one of the inmates is found missing, it appears that Nathan Bailey has graduated from car thief to cold-blooded killer. Now the subject of a nationwide manhunt, Nathan is the most wanted fugitive in America—and only twelve years old....

He’s up for parole.Two years too soon.Elizabeth Strong knew the day would come, but she wasn’t sure she was ready. Over time, she learned to put her own problems and fears aside. A court advocate needs to stay strong. Her clients depend on her. Just as she begins to feel she has her emotions under control, Elizabeth receives news the man she helped send to prison is up for parole after six years.At the same time, she’s assigned a hi...

Revenge comes to Branton.Inspector Stone's past catches up to him with blood and flames.A series of murders rocks the small town of Branton and leaves Inspector Stone with his toughest case, one which may see him paying a tremendous personal price if he can’t solve it quick enough.At first glance the murder of the wife and mother of an Asian shopkeeper appears racially motivated, and the local paper is quick to stir up tensions within the community....

The latest novel from the bestselling author of Dollface and What the Lady Wants takes us deep into the tumultuous world of 1950s Chicago where a female journalist struggles with the heavy price of ambition...Every second of every day, something is happening. There’s a story out there buried in the muck, and Jordan Walsh, coming from a family of esteemed reporters, wants to be the one to dig it up. But it’s 1955, and the men who dominate the city ...

A teenage girl's body washes up on the beach near Deception Pass. Just another girl who disappeared in the night.Tess McClintock and Michael Carter dig deeper into the missing and murdered girls and young women in the Pacific Northwest sex trafficking ring, and in the process, Tess comes a bit too close for comfort to the danger.The third book in the Salish Sea series, Deception Pass chronicles Tess and Michael's fight to find and stop a killer before he strikes again.

A girl with no name...Penny doesn't remember much about her childhood and what she does remember isn't all that great. She and her mother moved too many times to a series of cheap motels. There were too many men visiting her mother and none of them were her father. As for him, all Penny knew was that her father was rich and dead.When she was found abandoned on a deserted beach on the Salish Sea when she was four years old, Penny didn't even know her own name. Shunt...