Code puzzle | Classic fiction books

(9780712352963) - Dimensions: 155 x 100 mm - ISBN: 9780712352963 - Number of pages: 144 - British Library Publishing | Puzzle book, British Library Crime Classics, Puzzle of Crime, Crime Classics series & Puzzles to test

(9781613161258) - Crime & mystery - Paperback / softback - Penzler Publishers - ISBN: 9781613161258 - Pages: 264 pages - Publication date: 05/04/2019