There are many good online tutorials you can google.
You can download a free book here:
This is a good Tutsplus tutorial:
This is a list of books available for Laravel:
The original beginner’s guide is probably the best starting point:
If you don’t like reading, you can watch tutorials on Youtube.
I personally migrated from Codeigniter to Laravel. You might start creating a simple app with CI first, since it is so well documented, and then from there port it to Laravel 4. This is how I did it and I think it will give you a solid foundation for how controllers and eloquent works. From there, look into authentication, and then all the other advanced concepts.
Hope this helps! Happy coding