At this link the guide to download the csv file from The Rock Trading.
Follow these simple steps to import your file on CryptoBooks.
Go to Connections page and press Add Connection
Select The Rock Trading icon by filtering the list using the Exchange CSV tab or digit the name in the quick search box
Give the connection a name of your choice, choose the default category and press Next step
Press Select file to import your file, then press Upload file and import transactions
Done! The synchronization between The Rock Trading and your CryptoBooks account has just begun!