Humans, like every other species, vary in almost every characteristic. Some differences, like skin color, are visible, while others, like susceptibility to certain diseases or differential sensitivity to toxins, are not. Varied motivations and talents are only revealed through behavior. Self-identified black and white subpopulations in America have different biological and cultural origins, which means they have different repertoires of talents and interests. The black population was initi...

Every day at about 4:30, Jazz, a Hungarian Vizsla dog, leaps up on the sofa and looks out for his owner who always comes home at 5:00. He doesn't need an internal clock because he has an acute sense of smell that allows him to measure how long his master has been absent. Explaining complex behavior in simple ways, this book is a fascinating exploration of the evolution, development and processes of learning in animals. Now in its second edition, there is increased emphasis on development, ...

This classic edition of the Handbook of Operant Behavior presents seminal work in the field of learning and behavior, foreshadowing a new direction for learning research, and presenting many questions that remain unanswered.Featuring impressive contributions from leading figures across the field—ranging from N. J. Mackintosh from what was to become the cognitive school through Morse, Kelleher, Hutchinson, and Hineline on the neglected topic of aversive control to Blough an...

A battle-hardened destroyer cuts through the Pacific at the height of World War II — and at its heart stands one unforgettable man: Chief Petty Officer William "Hooky" Walker. Tough, fearless, and fiercely loyal, Hooky has survived combat, betrayal, and the brutal demands of life at sea. With a steel hook in place of his right hand and a reputation forged in fire, he keeps discipline aboard the Wind Rode with sharp eyes and sharper instincts.But danger doesn't only come fr...

Can love grow…from ashes?When volunteer firefighter Aiden Billings gets stuck with a flat tire in rural Kentucky, he’s not happy to have to drag his young daughter to a tire shop for the afternoon. But when the pretty receptionist glances his way, a sliver of his heart cracks open—something he hasn’t felt since his wife died five years earlier.Nora Evans, however, has a past she’s not keen on sharing, and with good reason. She’s barely crested out of her li...

Why isn't wood weaker that it is? Why isn't steel stronger? Why does glass sometimes shatter and sometimes bend like spring? Why do ships break in half? What is a liquid and is treacle one? All these are questions about the nature of materials. All of them are vital to engineers but also fascinating as scientific problems. During the 250 years up to the 1920s and 1930s they had been answered largely by seeing how materials behaved in practice. But materials continued to do things that they...

In finding each other, will they lose themselves?Paramedic Lance Patterson knows you can’t save everyone. Still, when he notices an injured dog limping along the outskirts of a car accident, he decides that maybe he can save just one more. A visit to the vet and a big bill later, Lance has another problem—the beautiful veterinary assistant that he can’t get out of his head. But even if he could get her to remember his name, he’s not sure that now is the time for lo...

She’s the best pilot in the Continent, but even the gods won’t help her now.Forced back to her hometown where she earned her name, sky outlaw Crash and her crew aren’t planning on staying long. Until the Continent’s criminal kingpin offers Crash’s captain a deal.Not much has changed back home, except the racing course. Back in a racing boat, Crash only has to place to save her crew, but first she must save herself when she’s hit by a freak storm.Bac...

When Ruby regains consciousness in a dingy prison cell, she quickly realizes that she is suffering from a suspicious bout of amnesia. She remembers her name, but the rest of her memories appear to be locked behind an impenetrable mental barrier.A man wearing luxurious purple robes informs her that a royal has been assassinated, and Ruby is the kingdom’s only suspect in the murder. He claims that she fought the guards so fiercely that they couldn’t subdue her without using force, an...

Two best friends, a handyman and strange noises over the baby monitor. Things are about to get magical.Erica Murray comes from a family of witches, growing up speaking to spirits, but it’s a career in marketing that she’s after.When she’s turned down for promotion yet again, she realises it’s time for something new. No, not new.It’s time to embrace who she really is.Her best friend, Jess, has a new mortgage to pay and a daughter to raise but...

In "The New Science of Strong Materials" the author made plain the secrets of materials science. In this volume he explains the importance and properties of different structures.

Their case may be getting cold, but their feelings for each other are just warming up.When Macie Greene gets a job in the office at the police station, she never expects to be put on a case due to her hyper-observant eyes and ears. After all, she’s just a receptionist. But when she solves a case no one else can, she soon finds herself with a new job, and a new partner—the gorgeous, but standoffish, Tad Simmons.Tad isn’t thrilled to have his solo gig interru...