Learn how to use messaging technologies to build responsive and resilient applications for mobile devices and web browsers. With this hands-on guide, you’ll use the STOMP and MQTT messaging protocols to write iOS and web applications capable of sending and receiving GPS and device sensor data, text messages, and alerts. Messaging protocols are not only simple to use, but also conserve network bandwidth, device memory, and batteries. Using this book’s step-by-step format, author Jeff Mesnil helps you work with Objective-C and JavaScript libraries, as well as the protocols. All you need to get started are basic programming skills. Understand basic messaging concepts and composition Learn two common messaging models: point-to-point and publish/subscribe Use STOMP to write an iOS application that sends GPS data, and a web app that consumes the data Build an iOS app with MQTT that tracks and broadcasts device motion data, and a web app that displays the data and sends alerts Extend STOMP to filter, prioritize, persist, and expire messages Take a complete tour of STOMP and MQTT, including features not used in the book’s sample apps

A black family and a white family in 1960s Texas find common ground during the Civil Rights Movement.

Reprinted Edition An obsessed killer is blazing a bloody trail near Richmond, Virginia, toward his ultimate prize--and only one homicide detective can hope to stop the madness. . . The first kill was easy. The second much easier. No guilt, no remorse, just a rush of adrenaline surging through him as each life drains away, and the pleasure of knowing their deaths help his beloved Lindsay. And there are so many more who deserve to die. . . The first twisted gift to Lindsay O'Neil arrives hidden in a bouquet of flowers. When her estranged husband, Detective Zack Kier, is assigned to the case, Lindsay's past comes back with a vengeance. Only Zack knows the dark secret she lives with--or so she thinks. Now nothing can prepare her for the nightmare to come--because everything Lindsay's stalker does is for her. And when she spurns his gifts, she and those she loves most become targets of a madman whose rage is growing, who is waiting, watching, closer than she ever feared. . . "Creepy and terrifying, it will give you chills." --RT Book Reviews "Taut, compelling. . .Mary Burton delivers a page-turner." –Carla Neggers, New York Times bestselling author

An estranged couple traveling down different roads in life unexpectedly reunite to cross the finish line together in #1 New York Times bestselling author Nora Roberts’s The Heart’s Victory. Once, Cynthia “Foxy” Fox pursued racecar driver Lance Matthews, who dismissed her teenage attentions as a simple crush. Now a professional photographer, she is assigned to cover the racing circuit—and seeing him again thrills her even as she finds his dangerous career unnerving. Lance cannot believe the awkward girl he once knew has become a confident and desirable woman. And fate has given him the opportunity to discover who Foxy really is—and if the love she once felt for him can be rekindled.

Delves into the methodology, techniques, and inspiration needed to enliven music making. Includes activities.

A Colorado beauty abandoned at the altar. A rugged bounty hunter haunted by his past. In this dramatic historical novel by best-selling author Robin Lee Hatcher, two wounded hearts join forces in a pursuit across the Old West. Silver Matlock is a Colorado beauty in search of revenge against the man who stranded her at the altar and fled with the remnant of her family's fortune. She is determined to find the man who betrayed her trust. Jared Newman, rugged as the West itself, is relentless in his pursuit of lawless men—but unable to escape his own tragic past. Hardened by his life as a bounty hunter, he must learn to forgive before he loses his soul. Joining forces, the two set out in search of Silver's betrayer. The handsome but embittered Jared finds himself powerfully drawn to the beautiful woman whose drive for justice equals his own. But lack of honesty keeps Silver and Jared from fully trusting each other, even as a shocking revelation intensifies their pursuit of the cunning—and deadly—quarry. "Hatcher delivers another thought-provoking historical novel." —CBA Retailers + Resources

Penny is sick of boys and sick of dating. So she vows no more. Debut author Eulberg tells a very funny, very relatable romantic story for anyone who's ever sworn off love and then found it anyway.