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Paul A. Johnsgard's Hummingbirds of North America is the only book devoted to the identification, distribution, and biology - both individual and comparative - of all hummingbirds that breed in North America. First published in 1983, this acclaimed volume now has been revised and expanded to include twenty-five Mexican species, such as the long-billed starthroat and the fork-tailed emeralds, thereby more than doubling the species coverage of the original edition. Full species-by-species accounts survey the evolutionary history, anatomical and physiological specializations, and comparative ecology, behavior, and reproduction biology of this largest family of nonpasserine birds. Individual accounts are complemented by 24-full-color paintings. Including updated range maps, identification keys, and a bibliography that has been broadened to include literature on the little-known Mexican species, the book is both accessible to amateur birders and an authoritative volume for ornithologists.
Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries.
This best-selling majors ecology book continues to present ecology as a series of problems for readers to critically analyze. No other text presents analytical, quantitative, and statistical ecological information in an equally accessible style. Reflecting the way ecologists actually practice, the book emphasizes the role of experiments in testing ecological ideas and discusses many contemporary and controversial problems related to distribution and abundance. Throughout the book, Krebs thoroughly explains the application of mathematical concepts in ecology while reinforcing these concepts with research references, examples, and interesting end-of-chapter review questions. Thoroughly updated with new examples and references, the book now features a new full-color design and is accompanied by an art CD-ROM for instructors. The field package also includes The Ecology Action Guide, a guide that encourages readers to be environmentally responsible citizens, and a subscription to The Ecology Place (www.ecologyplace.com), a web site and CD-ROM that enables users to become virtual field ecologists by performing experiments such as estimating the number of mice on an imaginary island or restoring prairie land in Iowa. For college instructors and students.
A Visual Analogy Guide to Chemistry is the latest in the innovative and widely used series of books by Paul Krieger. This study guide delivers a big-picture view of difficult concepts and effective study tools to help students learn and understand the details of general, organic, and biochemistry topics. A Visual Analogy Guide to Chemistry is a worthwhile investment for any introductory chemistry student.
WINNER OF AN ABA AWARD. Innocent by day, killer by night: a dark, twisting thriller about a teen assassin’s attempt to live a normal life. Don't miss the second book in the trilogy, The Hummingbird Killer, out now. 'An electrifying debut!’ Chelsea Pitcher, author of This Lie Will Kill You Trained and traumatised by a secret assassin programme for minors, Isabel Ryans wants nothing more than to be a normal civilian. After running away from home, she has a new name, a new life and a new friend, Emma, and for the first time, things are looking up. But old habits die hard, and it’s not long until she blows her cover, drawing the attention of the guilds – the two rival organisations who control the city of Espera. An unaffiliated killer like Isabel is either a potential asset . . . or a threat to be eliminated. Will the blood on her hands cost her everything? From award-winning author Finn Longman, an exhilarating voice in YA fiction, comes an addictive trilogy for fans of global phenomena The Girl with the Dragon Tattoo, Killing Eve and The Hunger Games. PRAISE FOR THE BUTTERFLY ASSASSIN: 'This dark, enthralling thriller is a compulsive debut' The Guardian 'An immersive, fast-paced thriller' The Irish Times ‘A heart-in-your-mouth thriller that grips you from the first page until the very last.’ Benjamin Dean, author of The King is Dead 'A bold, jagged and uncompromising thriller that will keep you guessing all the way to the end.’ Tom Pollock, author of White Rabbit, Red Wolf ‘Sharp and layered, with a bright beating heart. The Butterfly Assassin will lure you deep into a fascinating and dangerous new world.’ Rory Power, author of Wilder Girls ‘An utterly addictive story. I told myself "just one more chapter" well into the night.’ Emily Suvada, author of This Mortal Coil ‘Fierce, thrilling, and impossible to put down. Packed full of amazing friendships, plot twists and a desperate fight to survive’ C. G. Drews, author of The Boy Who Steals Houses
Black & white print. Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirements. The text includes interesting applications and conveys the major themes of biology, with content that is meaningful and easy to understand. The book is designed to demonstrate biology concepts and to promote scientific literacy.