Since Quickbooks is popular accounting and bookkeeping software, the following sites provide tutorials to aid you in properly learning and using the software.
Horses Mouth - Intuit
Who better to learn from than the maker of Quickbooks ?
Mega Niche University
Over 60 tutorials explaing how to use Quickbooks.
10 Quickbooks Tutorials
We all know that Quickbooks is a leading bookkeeping appication, but do you know how to use it ?
They Guarantee You that You Will Master Quickbooks Super Fast And Finally Unlock the Secrets of Your Business, Manage Your Costs and Earn More Money.
Not free; but, worth a look !