Naya Rivera

Naya Rivera shares why timing is everything in her new book

Naya Rivera writes about a number of personal subjects in her new book, "Sorry Not Sorry," but says one of the hardest was the death of her "Glee" co-star Cory Monteith, who died of a drug overdose in 2013.

"The Cory chapter really choked me up. I had (co-star) Kevin (McHale) come over and help me edit and we both had our moment," Rivera said in a recent interview.

For fans of "Glee," which aired 2009-2015, "Sorry Not Sorry: Dreams, Mistakes, and Growing Up" (TarcherPerigee) is definitely worth a read to revisit the show's success from an insider's perspective. Rivera, 29, shares how the cast dated, partied and basically...