The Poisoners, published by Hutchinson & Co. [1-10] 11-319 319 -359 catalogue: [note: first & last leaves are blanks], publisher's black cloth, spine panels stamped in yellow (still bright lettering), edges trimmed. Slight spine lean, mild bumping to edges, mild wear to spine ends, etc.
Written under the pen name of George Preedy. It is based on the. Affair of the Poisons - Wikipedia.