Read the ITIL Heroes Handbook online, it is completely free.
Understand and implement ITIL Service Support without shedding blood!
The ITIL Heroes Handbook gives you a quick backgrounder on ITIL basics and dives deep into ITIL Service Support with examples drawn from customers. It packs some action; you get to implement a Service Desk to understand how easy it is. Oh, I almost forgot the comic approach keeps you awake while you are trying to read all the stuff.

Read the ITIL Heroes Handbook online, it is completely free.
The book and cartoons look cool on paperback.
Buy it for yourself or to your align your team with ITIL Service Support.