Thanks you for the interest in Sitefinity.
What I can recommend is a book by our partners Falafel:
It has a digital edition, that you can buy online. You can also look through their other helpful products, that can help you get better with Sitefinity.
the Telerik team
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items