[sufue]

Walking Shadow is about halfway through Robert B. Parker's Spenser series. It has dropped to $1.99 at Kindle and Kobo US.

Kindle US: https://www.amazon.com/Walking-Shado...dp/B005F4AU7O/
Kobo US: https://www.kobo.com/us/en/ebook/walking-shadow-1

Spoiler:

A murder draws Boston PI Spenser into the dramatic world of theater in this New York Times bestseller in Robert B. Parker’s long-running series.

In a shabby waterfront town, an actor is shot dead onstage. Granted, the script left much to be desired. But there's more behind the scenes than an overzealous critic—and Spenser and Hawk are combing Port City’s underworld to find it...

“Great fun...[Spenser] is still the cockiest and wittiest P.I. on the block.”—The New York Times