Blood Song by Anthony Ryan
https://www.mobileread.com/forums/sho...31#post2476331
Price: free
Commercially published with rave reviews on Goodreads.
and here
https://www.mobileread.com/forums/sho...88#post2477188
is a post about monster fantasy series with about 9000 pages
Price: free
Another interesting and free fantasy is Warbreaker by Brandon Sanderson.
The downside is that you have to download pdf if you want to have the final edited and commercially published version.
http://brandonsanderson.com/books/wa...and-downloads/
On the other hand you can compare various version - this can be very interesting view into the kitchen of a famous fantasy writer.