Which innovative product launch strategy helped make George R.R. Martin's 'A Song of Ice and Fire' series achieve unprecedented sales before HBO's adaptation?

In the publishing industry, book launches can make or break a title's success. Publishers have developed sophisticated marketing strategies that blend traditional literary appeal with modern product launch techniques. This poll tests your knowledge about how bestselling novels are brought to market in today's competitive publishing landscape. Do you know how the industry transforms manuscripts into blockbuster releases?

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Limited-edition manuscripts with alternate endings sold exclusively at independent bookstores
Character-focused promotional websites that released free chapter samples and interactive maps of Westeros
A nationwide tour where Martin performed live readings while cosplayers reenacted battle scenes
Subscription-based delivery of each chapter monthly for a year before the complete book release