Creating a beautiful, thriving first saltwater aquarium has never been easier, using the natural, simplified methods learned and practiced by the world's leading reef hobbyists. By helping newcomers avoid the pitfalls of outdated, high-maintenance filtration techniques, the author offers an easy-to-follow route to long-term success with live rock, appropriate equipment, aquascaping, disease prevention, and essential husbandry techniques. Includes a photographic guide to selecting fishes, with dozens of hardy choices that are highly recommended for beginning hobbyists or others wanting beautiful, interesting, and long-lived marine species.

Temple Grandin, Ph.D., is a gifted animal scientist who has designed one third of all the livestock-handling facilities in the United States. She also lectures widely on autism—because Temple Grandin is autistic, a woman who thinks, feels, and experiences the world in ways that are incomprehensible to the rest of us.

Learning Perl, better known as "the Llama book", starts the programmer on the way to mastery. Written by three prominent members of the Perl community who each have several years of experience teaching Perl around the world, this edition has been updated to account for all the recent changes to the language up to Perl 5.8. Perl is the language for people who want to get work done. It started as a tool for Unix system administrators who needed something powerful for small tasks.

How migratory birds can navigate home from their wintering grounds to their breeding sites over hundreds and thousands of kilometres has been an admired mystery over more than a century. Profound advances towards a solution of this problem have been achieved with a model bird, the homing pigeon. This monograph summarizes our current knowledge about pigeon homing, about the birds' application of a sun compass and a magnetic compass, of a visual topographical map within a familiar area and -- most surprisingly -- of an olfactory map using atmospheric chemosignals as indicators of position in distant unfamiliar areas.

Human beings have always developed special bonds with animals. We relate well to animals and find a great deal of comfort and pleasure in their company. The appeal of keeping a pet has resulted in age-old traditions that continue today.

Human beings have always developed special bonds with animals. We relate well to animals and find a great deal of comfort and pleasure in their company. The appeal of keeping a pet has resulted in age-old traditions that continue today.