As a teaching resource in biogeochemistry I found it had a lot of potential, giving good entry points into the literature for undergraduate students who might be given essay topics on how a particular element behaves in the plant and soil environment, particularly those elements of a more exotic bent. It also provides a lot of contextual information about environmental, soils and plant concentrations and their sources, providing a good overview as to drivers of element availability such as pH, organic matter, interactions with other elements and mineral content. ... It is a welcome addition to my library and I will certainly be pointing students in its direction.—Andrew A. Meharg, in Experimental Agriculture, Oct 2011, Vol 47(4)