I consulted many resources while compiling the information for this site.  Listed below are just some of the many sources that I consulted that you may find interesting.

On the Web

Bayanihan Computing
ExtremeTech
Grid Cafe
Jim Pinto's website
Kirk Pearson's website

Books

Oram, A. (Ed.) (2001). Peer-to-Peer: Harnessing the Power of Disruptive Technologies. Sebastopol: O'Reilly & Associates.
Spencer, D. B. (Ed.) (2002). Peer-to-Peer Computing. Hillsboro: Intel, Inc.

Articles

Anderson, D. P., Cobb, J., Korpela, E., Lebofsky, M., & Werthimer, D. (2002). SETI@home An Experiment in Public-Resource  Computing.    
        Communications of the ACM, 45(11), 56-61.
*Foster, I., & Iamnitchi, A. (2003). On Death, Taxes, and the Convergence of Peer-to-Peer and Grid Computing. In F. Kaashoek & I. Stoica (Eds.),
        Peer-to-Peer Systems II (pp. 118-128). Berlin: Springer-Verlag.
*Hine, J. H., & Dagger, P. (2004). Securing Distributed Computing Against the Hostile Host. Australian Computer Society, 26, 279-285.
*Loewe, L. (2002). evolution@home: Experiences with work units that span more than 7 orders of magnitude in computational complexity. In
        Proceedings of the 2nd IEEE/ACM International Symposium on Cluster Computing and the Grid: IEEE Computer Society.
Schreiner, K. (2001). Distributed Projects Tackle Protein Mystery. Computing in Science & Engineering, January/February.

* denotes advanced articles