Chapter 4. Letter Substitution Cryptograms
Puzzle 1
Difficulty Level: Easy
| B JFUJUCA NRYN SA HAAN |
| JAFCUEYDDZ NU YDDUS HA NU |
| PUEOAZ NU ZUW HZ JDYEC, HYJC, |
| YEM CU QUFNR. |
Puzzle 2
Difficulty Level: Easy
| DR UZKR XHGRRG RFPZJWXFURG |
| MVCQ NQRGRHPXZWF. EWRZFR PRWW |
| IR IVQR ZJVCP DUZP MVC DXFU PV |
| VBBRQ PV PUR FRQKXNR VB PUR |
| ZQIM VB UXF IZLRFPM PUR AXHO. |
Puzzle 3
Difficulty Level: Easy
| ... SUUGTVYJF YKJ KJSF GI DJLXJY |
| TVYJMMTPJVLJ IGX YKJ HXTYTDK |
| WTMTYSXO IGXLJD ZKG SXJ ITPKYTVP |
| SPSTVDY YKJ LGMGVTSM USYXTGYD. |
Puzzle 4
Difficulty Level: Easy
| HJPJZNX NZPBXM SNE FJJP |
| EXKHSYJM OBZ LZBIBYKBP, NAADEJM |
| BO MKGJZYKPH IKXKYNZR ODPME OBZ |
| LJZEBPNX DEJ, NPM BYSJZQKEJ |
| KPEDXYJM FR SKE NEEBAKNYJE |
| NIBPH YSJ ZJFJX ABXBPKEYE |
Puzzle 5
Difficulty Level: Easy
| GUAW AWY KBLYEA TZ GKJ, AWY |
| KIYEBK TZ AWY NEUIWAC DQCA |
| FWKEIY. AWYUJ XQOSUF KFAULUAH |
| CWTQSB ZTFQC TE "XYKFY," TE |
| ZKEEUEI AWY ZSKDYC TZ CHDXKAWH |
| ZTJ AWY CTQAW KEB UAC FKQCY, TE |
| XJTDTAUEI AWY ITTB CYECY TZ |
| CSKLYJH. |
Puzzle 6
Difficulty Level: Easy
| CHA RNG LCIKLWKAZ DKIO C IKIVA |
| VKXA SNEAHTNH–NH DNGVZ |
| LNPAIOKTS VKXA "ZGXA" LGKI RNG |
| JAIIAH? DCLOKTSINT DNGVZ TNI |
| CUUAFI IOA IKIVA NW XKTS; K ZN TNI |
| OCEA OKL FHAQGZKUA CSCKTLI IKIVAL |
| NW TNJKVKIR–CTZ TAKIOAH, K IOKTX, |
| ZN RNG. |
Puzzle 7
Difficulty Level: Easy
| LXW Z DYYV TFPY HYYV, URHB X |
| HOZKLB DZB TFPY MZHZDOY, XTFVK |
| BLFHY QLF QYPY KXBLYPZVK XPTH |
| GFP TN SXRHY, BLYV BLXB SFRPB |
| QFROW LXMY SFVMZSBYW TY, XOO |
| BLFHY NYXPH XKF |
Puzzle 8
Difficulty Level: Easy
| T AZSD ZQFZEI CDDR TRMDVDIMDW |
| MH ADZV HG EHKV BTQTMZVE |
| DPJQHTMI, ZRW DIJDXTZQQE MH ADZV |
| HG EHKV BKXA QDII FDQQ-YRHFR |
| ZXMTSTMTDI ... |
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