Need ideas for a altered book swap im doing???

Question

im doing a book swap and theme is numbers...hard! my number is 22. any ideas?

Answer 1

How about :  a saying from the roaring twenties:  22 Skidoo

Have anything that deals with the Roaring Twenties

flappers, and fashions,  prohibition, bathtub gin,

cigarette holders, turned down hose. dancing, speak easy, charleston, 5'2 eyes of blue,  the list goes on and on

Answer 2

Alter a copy of Catch-22 by Joseph Heller