Learning a new language is a fun and challenging feat for students at every level. Perfect for those just starting out or returning to Spanish after time away, Spanish Essentials For Dummies focuses on core concepts taught (and tested on!) in a typical introductory Spanish course. From adjectives and adverbs to understanding tenses and asking...

The Twelfth Edition of the bestselling Becoming a Master Student continues to lead the way in meeting the changing needs of today's first-year students. Through interactive journaling, a motivational writing style, and hands-on activities that students can apply right away, this text helps students succeed in college and in life. The...

This book is devoted to motility disorders of the gut and their diagnosis, a field which can be frustrating when classical histological staining techniques are used. The use of enzyme histochemical techniques, however, provides important information on functional abnormalities of colon motility, which is demonstrated here in more than two...

Robert B. Parker fans have been quick to embrace each addition to his remarkable canon, from the legendary Spenser series to the novels featuring Jesse Stone and Sunny Randall. And his occasional forays into the past-Gunman's Rhapsody, a fresh take on Wyatt Earp, and Poodle Springs, based on a Raymond Chandler story-have dazzled critics...

Communication systems have existed for thousands of years. A postal system, with relays of riders to deliver messages, was used in Ancient Persia (now Iran) as long ago as the 6th century BC. Until the 1800s, sending post in this way was the only method of long-distance communication. The time it took for a message to be received depended on...

Tay-Sachs disease is a rare hereditary disease caused by a genetic mutation that leaves the body unable to produce an enzyme necessary for fat metabolism in nerve cells, producing central nervous system degeneration. In infants, it is characterized by progressive mental deterioration, blindness, paralysis, epileptic seizures, and death by age...

The number-one New York Times-bestselling novelist Patricia Cornwell is known the world over for her brilliant storytelling, the courage of her characters, and the state-of-the-art forensic methods they employ.

In this headline-making new work of nonfiction, Cornwell turns her trademark skills for meticulous research...