problem ciphers de rex hardinge (3 resultados)

Original Cloth. Condición: Poor. Estado de la sobrecubierta: Poor. First Edition. Ex-Library copy from the Swan Circulating Library. The spine has quite heavy chipping at the bottom and is darkened over the bottom half where the jacket is damaged. Otherwise only a little wear to the edges. Page edges are browned with some spotting. Stamps to the front and rear pastedowns and the front free endpaper has nine date stamps with numbers in pen next to these. The pages are browned with light spotting in places but otherwise generally unmarked. The jacket has a five inch piece missing from the bottom half of the spine with staining to the remainder and along the right edge of the rear panel. There is also a half-inch piece missing at the top of the spine and another one inch piece missing from the top left corner of the rear panel. There is also some chipping to the corners. First printing.

Hardback. Rex Hardinge, WRIGHT & BROWN LTD. Author: Rex HardingeBinding: HardbackPublished: WRIGHT & BROWN LTD, 1111Condition:Book: FairJacket: No dust jacket - some marks on spine and cornersPages: Tanning and foxingMarkings: No markingsThe Problem In Ciphers presents a gripping narrative within the world of espionage and secret codes. This thrilling mystery chronicles the desperate race against time as a brilliant cryptographer uncovers a critical flaw in an unbreakable cipher system. The story illustrates the high stakes involved when national security hangs by a thread, demanding ingenuity and courage to avert disaster. Hardinge masterfully constructs a suspenseful plot, keeping readers on the edge of their seats with every decoded message and unexpected twist. Hardback.

Hard Cover. Condición: Very Good. Estado de la sobrecubierta: No Dust Jacket. 192pp; red boards, no date noted. Thriller. ; 190 x 125mm.