The best book from Nora Roberts, as voted by Goodreads, is "Vision in White," which is the first book of the "Bride Quartet" series. The best book as rated by customers on Amazon is "Obsession in Death," which is written by J.D Robb, a pen name used by Nora Roberts.
"Vision in White" received a score of over 23,000 with over 85,000 people rating it highly. Readers enjoyed the way Nora Roberts wrote her characters and how each character interacted with one another. In the book "Obsession in Death" readers continue to enjoy the way Nora Roberts writes her characters; however, at least a few readers thought the story contained little character growth.