Assessing Wellbeing in Schoolsby Megan Bates and David M. Boren
This open access book from EdTech books can be read online or downloaded as a PDF. There is a tablet-optimized PDF and one optimized for printing. The book has a Creative Commons Attribution Non-Commercial license. As EdTech states, this "means that you are free to do with it as you please as long as you (1) properly attribute it and (2) do not use it for commercial gain."