A friend with a sketchy networking background is involved in the above mentioned endavour..
Technologies used will be for example layer 3(-4) switches, fault tolerance , NIC teaming, VLAN tagging.
The books should be suitable for a fake-it-'til-you-make-it aproach, but above "dummies"-level.
-Preferably available as kindle eBook but not a requirement.
Can't fail on this question, can you? :)