The excitement for "Outlander" season 3 air date is building up, especially now after new spoilers reveal that a major book mystery will be answered in the upcoming season.

According to reports, the author of the Book Series herself, Diana Gabaldon, has revealed that season 3 will be solving a major mystery and cliffhanger that left the readers baffled. One of the reasons why the historical series adaptation is a big hit among its viewers is because Diana Gabaldon is closely working with the showrunners. As a result, the tv show adaptation is very close to how the story in the book series was written.

According to reports, Diana Gabaldon shared that she has already seen the first nine episodes of "Outlander" Season 3 and revealed that the first six episodes are impressively close to the book. She also revealed that flashbacks play a major role in the upcoming season, especially those that involve Claire and her daughter.

Tweaks and additions for 'Outlander' Season 3

As expected, there are some tweaks and additions for "Outlander" Season 3 that may answer some hanging questions from the book series. One of the biggest questions that the readers have raised is whether Frank was faithful to Claire or not during his lifetime.

It has been established that Frank and Claire's relationship is quite complicated since the latter has the uncanny ability to travel through time.

Diana Gabaldon admitted that she purposely left that part of the story ambiguous, leaving the readers to their imagination and judgment, depending on whether they like Frank or not.

Ambiguity - game over

According to reports, "Outlander" Season 3 will finally answer the question on whether Frank has remained faithful his marriage with Claire or not.

In other words, the book's ambiguity will finally be clarified in the upcoming season as the showrunners have decided that they have to choose a side as the plot progresses.

As for Diana Gabaldon, the author kept coy when asked if she agrees with how the showrunners and the scriptwriters maneuvered Frank's character. According to reports, the "Outlander" series author didn't say if she agreed with how the showrunners settled the ambiguity and only said that she appreciates that the TV show treats Frank's character fairly. She finished off the interview by saying that the fans will have to wait until Sept. 2017 to see find out the answer to one of the book series' biggest questions.