After years of teaching intermediate students who never seemed to improve, I decided to find out what the problem was. Essentially, intermediate students get stuck because learning at this stage is a different type of learning than at the beginner stage. You have mastered the grammar and the basic vocabulary, but most textbooks just carry on like nothing has changed. However, what you need at the intermediate stage is not just more dry grammar and lists of vocabulary.

Bonus material! Includes an excerpt from John Douglas and Mark Olshaker’s Obsession! Discover the classic behind-the-scenes chronicle of John E. Douglas’ 25-year career in the FBI Investigative Support Unit, where he used psychological profiling to delve into the minds of the country’s most notorious serial killers and criminals - the basis for the upcoming Netflix original series.

In early 2000, Adnan Syed was convicted and sentenced to life plus thirty years for the murder of his ex-girlfriend Hae Min Lee, a high school senior in Baltimore, Maryland. Syed has maintained his innocence, and Rabia Chaudry, a family friend, has always believed him. By 2013, after almost all appeals had been exhausted, Rabia contacted Sarah Koenig, a producer at This American Life, in hopes of finding a journalist who could shed light on Adnan’s story. In 2014, Koenig's investigation turned into Serial, a Peabody Award-winning podcast with more than 500 million international listeners.

Joe Kenda investigated 387 murder cases during his 23 years with the Colorado Springs Police Department and solved almost all of them. And he is ready to detail the cases that are too gruesome to air on television, cases that still haunt him, and the few cases where the killer got away. These cases are horrifyingly real, and the detail is so mesmerizing you won't be able to turn it off.

400 Things Cops Know shows police work on the inside, from the viewpoint of the regular cop on the beat - a profession that can range from rewarding to bizarre to terrifying, all within the course of an eight-hour shift. Written by veteran police sergeant Adam Plantinga, 400 Things Cops Know brings the listener into life the way cops experience it - a life of danger, frustration, occasional triumph, and plenty of grindingly hard routine work.

This bundle of three books warns of the dangers and common mistakes that people make when in Thailand. Essential listening for tourists, as the information contained can save you a fortune, as well as serious grief. For those who are considering relocating to Thailand or taking up with a Thai lady, the information is invaluable. It's better to know before you go.

The Anatomy of Motive offers a dramatic, insightful look at the development and evolution of the criminal mind. The famed former chief of the FBI's Investigative Support Unit, John Douglas was the pioneer of modern behavioral profiling of serial criminals. Working again with acclaimed novelist, journalist, and filmmaker Mark Olshaker, and using cases from his own fabled career as examples, Douglas takes us further than ever before into the dark corners of the minds of arsonists, hijackers, bombers, poisoners, serial killers, and mass murderers.

John Douglas once again takes us fascinatingly behind the scenes, focusing his expertise on predatory crimes, primarily against women. With a deep sense of compassion for the victims and an uncanny understanding of the perpetrators, Douglas looks at the obsessions that lead to rape, stalking, and sexual murder through such cases as Ronnie Shelton, the serial rapist who terrorized Cleveland; and New York's notorious "Preppie Murder". But Douglas also looks at obsession on the other side of the moral spectrum: his own career-long obsession with hunting these predators.

A gripping memoir from Amanda Knox's Italian ex-boyfriend, Raffaele Sollecito, chronicling his relationship with Amanda and the four years they spent in an Italian prison for a crime they did not commit.

The best-selling young adult novelist recounts her daughter's mysterious shooting death and her own investigation into the crime, describing her use of a psychic to contact her dead child and expose the truth.

Detroit mortgage broker Mark Unger adored his wife Florence and their two young sons. But after a decade of marriage and increasing financial trouble, Mark's life began to slowly unravel. He became addicted to pain killers and gambling, and ended up spending five months in rehab. Forced to go back to work, Flo became bitter and resentful of Mark and began to have an affair with one of his friends. When Mark returned home and his disability checks weren't enough to make ends meet, Flo filed for divorce.

Sheila Davalloo was young, attractive, and successful. When she started a new job at a cutting-edge research lab in Stamford, Connecticut, she met the man of her dreams. Nelson Sessler had no idea how violently Sheila would react when he began seeing a co-worker, Anna Lisa Raymundo. Sheila eliminated her rival in a bloody knife attack - and then turned her rage on another victim she saw as an obstacle to her passions.

Big and brash, Jeff Zack didn't hide his rough lifestyle. And when he died, it was in plain sight: executed in the parking lot of a BJ's Wholesale Club in Akron, Ohio, by a motorcycle-riding assassin dressed in black.

In the lovely town of Pleasant Valley in upstate New York, the maple trees were ablaze with fall's blood-red color. The air was crisp. And a woman named Susan Fassett left her weekly choir practice at a church - when a killer emerged from the shadows and mercilessly gunned her down.

A true story detailing the events surrounding the murder of wealthy North Carolinian Lieth von Stein. The case seemed cold until police followed a trail leading to von Stein's stepson, a smart young man who was obsessed with Dungeons & Dragons and wrapped up in drugs.