Premium Content Subscriber only The top 10 most borrowed adult fiction books in 2020 from the Fraser Coast Libraries reveal usersâ love of crime and mystery stories with Lee Child novels taking out three of the top five spots. Councillor David Lewis said crime and mystery writers also featured strongly in the list of the top 10 most popular authors of 2020 with James Patterson in the number one position. âFemale writers hold an equal number of spots in the top 10 list of most borrowed authors,â Cr Lewis said. âRomance and fantasy writer Nora Roberts appears in the number two ranking and again in the ninth slot under her crime writing pseudonym of J.D. Robb.