Tues. Oct. 9

 You know Hank Phillippi Ryan as the Channel 7 investigative reporter whose investigations sometimes are eye-openers and sometimes puzzlers. (You didn't get your dollar refund? Let me look into that!) Turns out she's also a mystery writer, too, and sticking with the write-you-know dictum she's written a novel called "Prime Time," where Charlotte, the 40-something investigative reporter, is being threatened with replacement by ... a younger model. There's also this deal where her computer is being clogged by mail that may not be the usual junk spam, but may be encoded messages to various fat cats. The last person who decyphered this is dead. And now Charlotte's going to try ... Ryan reads from the book at Borners Books in Boston at 5 p.m. Tuesday Oct. 9. Free.

511 Boylston St., 617-236-1444  www.bordersbooks.com