Gropper, Advanced Nutrition and Human Metabolism. 7th edition. 2017.
Ross, Modern Nutrition in Health and Disease. 11th edition. 2012.
Williams, Nutrition in a Nutshell. 1961.
Ferrier, Biochemistry. 6th edition. 2013.
Berg, Biochemistry. 8th edition. 2015.
(free PDF)
Silberberg, Chemistry: The Molecular Nature of Matter and Change. 7th edition. 2014.
Wade and Simek, Organic Chemistry, 9th edition, 2016.
Freeman, Biological Science. 6th edition. 2016.
Silver, The Ascent of Science, 2000
Tortora, Principles of Anatomy and Physiology. 14th edition, 2013.
Alberts, Molecular Biology of the Cell. 6th Edition, 2014
(free PDF)
Most of these came from the list on Chris Masterjohn's website.