Thirteen Reasons Why is a novel.
13 Reasons Why ( stylized onscreen as Th1rteen R3asons Why ) is an American drama-mystery web television series based on the 2007 novel Thirteen Reasons Why by Jay Asher and adapted by Brian Yorkey for Netflix . Thirteen Reasons Why is a 2007 young adult novel written by Jay Asher . The book is the basis of the television series 13 Reasons Why , released through Netflix on March 31 , 2017 .