George R.R. Martin may be holding on to his cards, as there is a sense he may be hedging on the release date of "Winds of Winter," which is expected to provide major spoilers for "Game of Thrones" season 6.

This developed as speculations have swirled that the popular American novelist doesn't want his latest novel to give away the story arc of the "Game of Throne's" upcoming season, reported Master Herald.

In fact, it is anticipated that the book "Winds of Winter" book will not only reveal the plotline of "Game of Thrones" season 6 but season 7 as well.

If ever the popular science fiction author decides to roll out his latest book before the premier of "Game of Thrones" season 6, it will give followers a very good sense of how events will unfold in the show.

The producers of "Game of Thrones" have made every effort to ensure that the plotline of the critically-acclaimed fantasy series are anchored on the books of the 67-year-old author.

The book "Winds of Winter" by George R.R. Martin, Daenerys Targaryen "will bring fire and blood to Westeros through war," a development that is likely to happen in "Game of Thrones" season 6 which is scheduled for an April release date.

Emilia Clarke, who portrays the role of Daenerys Targaryen in "Game of Thrones," disclosed that her character will encounter major challenges in the show's upcoming episodes, and said that "Daenerys will attain her ultimate goal of getting back the iron throne and winning it all."

The "Terminator: Genisys" star likewise hinted that "Game of Thrones" season will be released in two installments, raising the possibility an eight season.

In the meantime, George R.R. Martin has remained tightlipped regarding the release date of "Winds of Winter," as he made it clear that he doesn't want other authors to dip into the "Game of Thrones" universe, whose season 6 is set to premier sometime April, according to the Inquistr.

At the recent book signing of the novel "The Expanse" written by James S.A. Corey, a pseudonym used by novelists Daniel Abraham and Ty Franck, Martin said that he would not allow the two authors to lend their pens to "A Song of Ice and Fire," the series of novels which became the basis of "Game of Thrones."

"I don't see anyone else ever writing (legally) in that universe," Martin responded when queried by a fan on whether he would like other writers to help in his novels.

As George R.R. Martin mulls on the release date of "Winds of Winter," the imaginations of fans are now going on overdrive over the highly-anticipated events in "Game of Thrones" season 6.