1
by Hornung, Erica
Published 2010
Focal Press, an imprint of Elsevier

3
by Greenberg, Ira
Published 2007
Friends of Ed, an Apress Co.

4
by Dobbert, Tim
Published 2013
Wiley

5
by Bloom, Susan Ruddick
Published 2006
Elsevier/Focal Press

6
by Evans, Duncan
Published 2014
Routledge