And if you prefer paper book, try this one from Ken Schwaber
Try this book written by Alistair Cockburn:
“ITIL is a series of best practice books that provide recommendations to IT organizations on ways to best optimize their delivery or management of IT services.”
“Treat ITIL as a useful tool to create a cohesive structure for IT service management; don't treat ITIL as the answer to all of IT's problems!“
Here is my template for Burndown graph: http://soch.cz/blog/management/agile/burndown-graf-template
There are several ways how you can visualize your progress. I would suggest the alternative burndown:
A couple of books you may like...