Troubled Blood: A Strike Novel.

First edition of the fifth novel in the Cormoran Strike series, written by J. K. Rowling and published under the pseudonym Robert Galbraith. Octavo, original cloth. Signed by the author on the title page, "Robert Galbraith." With Rowling's hologram sticker to the verso of the half-title page. Fine in a fine dust jacket. Jacket design by Duncan Spilling. One of only 50 purportedly signed examples.