"independent author" is correct and usable in written English.
It is usually used to describe someone who publishes their work without the assistance or financial support of a publishing company or other organizations. Example: "Your novel has received a lot of praise, so you must be an independent author!".
It is believed that this is the first time that an independent author has topped Amazon's best sellers chart.
"The Pakistani Army is like a mafia," Ayesha Siddiqa, an independent author who has written extensively about the Pakistani military, said.
But in the process, she became a successful independent author — with the help of a local bookstore and its instant publishing machine.
Ayesha Siddiqa, the independent author who has written scathingly of the military, said that, two years ago, she turned down an offer to meet General Pasha, the I.S.I. chief.
Last year the gleefully independent author of "Gaia", "Revenge of Gaia" and "Vanishing Face of Gaia" inspired the reclusive glaciologist in Steve Waters's superb double-bill "The Contingency Plan" (reviewed in More Intelligent Life).
Stephen Schneider of Stanford University in California and editor of the Climate Change journal, said in an email to CRU scientists and others in January 2009: "Our best way of dealing with this issue of replication is to have multiple independent author teams, with their own codes and data sets, publishing independent work on the same topics..
campaign with keywords featuring prominent independent authors.
A number of independent authors have shown those attacks to be baseless.
"A large percentage of the ebooks sold on Amazon are from independent authors.
On Facebook, dozens of groups exist solely to connect independent authors who want to swap glowing write-ups.
Data sharing is essential because it allows independent authors to re-analyze, replicate, or build upon previous findings.
