VMware course book are only for people that attend at the exam.
The offical docs could be enough: http://www.vmware.com/support/pubs/vs_pages/vsp_pubs_esxi41_i_vc41.html
But is big and huge.
You can also try to use book like "Mastering vSphere" (from Scott Lowe).
Andre
Andre | http://about.me/amauro | http://vinfrastructure.it/ | @Andrea_Mauro
