Elayn Martin-Gay's developmental math textbooks and video resources are motivated by her firm belief that every student can succeed. Martin-Gay's focus on the student shapes her clear, accessible writing, inspires her constant pedagogical innovations. Interactive Math is a new learning system for students that covers the full series of courses in develpmental mathematics in an interactive, multimedia environment. A program complete with instruction, practice, applications, assessment, and a flexible course management system, Interactive Math enables instructors to focus their class time on teaching and working individually with students.

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Product Description: Often growing far above the ground, "air plants" (or epiphytes) defy many of our common perceptions about plants. The majority use their roots only for attachment in the crowns of larger, usually woody plants―or to objects such as rocks and buildings―and derive moisture and nutrients from the atmosphere and by collecting falling debris...read more

Product Description: An authoritative guide book to more than 70 of Alaska's most common wild edible plants.Tuck this guide into a backpack, glove compartment, or pocket and use its color photographs and habitat and plant descriptions to help you discover the bounty of the land and its plants around you...read more

Product Description: "Alcoholic Fermentation" by Arthur Harden makes an extensive study of the alcoholic fermentation process, and has made the following observations: The author some years ago found that the juice obtained from yeast by grinding with water can be separated by dialysis into two substances, neither of which alone produces fermentation...read more

Product Description: A southern African perspective on the spread of alien animal species and their effect on local environments, this book offers a broad approach to the subject, increasing its applicability beyond the region. Sure to become a standard reference to the subject, this book will create awareness around alien species both here and abroad...read more

Product Description: Alien Invaders may sound like a sci-fi thriller, but the reality is that invasive species are threatening our eco-systems and impacting the lives of our native North American plants and animals. This beautifully illustrated pocket-sized guide highlights over 90 of the most destructive species of invasive birds, mammals, reptiles, amphibians, insects and plants...read more

Product Description: The word 'aliens' can be used in many ways, to invoke fear, dislike and fascination. For biologists it is used to indicate organisms that have been introduced by people to new territories. In the British Isles alien plants are common, conspicuous, pestiferous, beautiful, edible - and can be both useful and harmful...read more

Information on controlling weed growth accompanies drawings and descriptions of more than one hundred varieties of weeds