iPod touch User Guide For iOS 7.1
This book is available for download with iBooks on your Mac or iOS device, and with iTunes on your computer. Books can be read with iBooks on your Mac or iOS device.
Here's everything you need to know about iPod touch, in a handy digital format. Get to know iPod touch and discover all the amazing things it can do, and how to do them. It's the definitive guide for getting the most from your new iPod touch, straight from Apple. The iPod touch User Guide is an essential part of any iBooks library.
What's New in Version 4.0
This is very helpful to fully understand how the iPod functions with the new software.
Helpfull very detailed
good book should use easier language though