Chapter 1 : Introduction - Solutions

1. TDFUE MFFKN ZWPSZ LHTIN

2. 16 17 22 9 13   5 9 20 19 22   10 20 0 26 10   25 10 11 20 7

3. NECESSITY HAS NO LAW

4. Cipher: JQZCK

5. Plain: STOP

6. WHEN IN ROME DO AS THE ROMANS

7. The plain text of the messages:
    No. 1: THE Z PEN Z IS Z MIGHTER Z THAN Z THE Z SWORD ZZ
    No. 2: THE z SQUEAKY z WHEEL z GETS z THE z GREASE zz
    No. 3: BIRDS z OF z A z FEATHER z FLOCK z TOGETHER zz
    No. 4: A z PENNY z SAVED z IS z A z PENNY z EARNED zzzz

8. The plain text of the messages:
    No. 1: A z CHAIN z IS z ONLY z AS z STRONG z AS z ITS z WEAKEST z LINK
    No. 2: HOPE z FOR z THE z BEST z BUT z PREPARE z FOR z THE z WORST zz
    No. 3: KEEP YOUR FRIENDS z CLOSE z AND z YOUR z ENEMIES z CLOSER
     
9. The plain text of the messages:
    No. 1: FORTUNE z FAVORS z THE z BOLD zz
    No. 2: BETTER z LATE z THAN z NEVER zzz
    No. 3: A z PICTURE z IS z WORTH z WORDS z
    No. 4: A z WATCHED z POT z NEVER z BOILS 
    No. 5: WHEN z IN z DOUBT z LEAD z TRUMP z
    No. 6: TO z BE z AWAKE z IS z TOBE z ALIVE

10. The plain text of the messages:
    No. 1: NO z MAN z IS z A z ISLAND zz
    No. 2: z NO z MAN z IS z A z ISLAND z

11. The plain text of the messages:
    No. 1: NEVER z LOOK z A z GIFT z HORSE z IN z THE z MOUTH
    No. 2: NECESSITY z IS z THE z MOTHER z OF z INVENTION *