CCryptogram Puzzle Book for the ElderlyCryptogram Puzzle Book for the Elderlyde Alan WilsonEdiciones (1)Cryptogram Puzzle Book for the Elderly (2020)Independently Published · inglés · ISBN 9798646901454Más obras de Alan WilsonCComputersComputersJJohn NorthwayJohn NorthwayNNo hero, I! or one man's warNo hero, I! or one man's war