The gold standard in analytical chemistry, Dan Harris' Quantitative Chemical Analysis provides a sound physical understanding of the principles of analytical chemistry and their applications in the disciplines. Dan Harris presents the subject in a rigorous, readable and interesting manner, lucid enough for non-chemistry majors but containing the depth required by advanced undergraduates. For the first time since the book was published in 1978, Harris has worked with a new contributing author,...

Available for the first time in Achieve, the definitive reference text for biochemistry Lehninger Principles of Biochemistry, 8e helps students focus on the most important aspects of biochemistry- the principles! Dave Nelson, Michael Cox, and new co-author Aaron Hoskins identify the most important principles of biochemistry and direct student attention to these with icons and resources targeted to each principle.

The 8th edition has been fully updated for focus, approachability, and up-to-dat...