Question 1

Clue 1

Answer

Prepare yourself, because solving this puzzle will take a lot of time.

Question 2

Clue 2

Answer

It's also very "hands-on."

Question 3

Solution

Answer

The lines represent clock hands which, when summed up, give numbers to convert. The second line, however, is upside-down to mirror the title text on the front of the card. The plaintext reads: "The Brothers Karamazov."

Question 4

Clue 3

Answer

Clock-in, it's going to take a while.

Question 5

Clue 4

Answer

If you can read a clock, then you're mostly there, but you may need a new perspective on the second line.

Question 6

Clue 1

Answer

Have you solved your other stamps?

Question 7

Solution

Answer

The numbers on the stamps give the plaintext: "For."

Question 8

Clue 1

Answer

Have you solved your other stamps?

Question 9

Solution

Answer

The numbers on the stamps give the plaintext: "For."

Question 10

Clue 1

Answer

Prepare yourself, because solving this puzzle will take a lot of time.

Question 11

Clue 2

Answer

It's also very "hands-on."

Question 12

Solution

Answer

The lines represent clock hands which, when summed up, give numbers to convert. The second line, however, is upside-down to mirror the title text on the front of the card. The plaintext reads: "The Brothers Karamazov."

Question 13

Clue 3

Answer

Clock-in, it's going to take a while.

Question 14

Clue 4

Answer

If you can read a clock, then you're mostly there, but you may need a new perspective on the second line.

Question 15

Clue 1

Answer

Have you solved your other stamps?

Question 16

Solution

Answer

The numbers on the stamps give the plaintext: "For."