Inn0cent_S0ul it's very simple procedure ofcourse. Contact your CE with your book's link (that's been updated daily) and email ID.
Your CE will take time like one - two months for the vetting process. You must continue to update daily.
After the vetting process, they will send you the contract, you need to read it, fill up everything with your government issued ID and bank details and send your CE. After that it may take another one month to get Contracted.
Note: The time need for it to process may differ.