SPOILER WARNING: The following contains the solutions for ALL the Joker puzzles.
A:
INDEX CARDS -> INWARDS (W)
2:
BOOK TITLES -> BOTTLES
3:
CHAIN LETTERS -> CHAPTERS (P)
4:
MUSIC MAKERS -> SIGMA (A)
5:
PERMISSIVE -> IMPRESSIVE (R)
6:
SEQUENTIALLY -> ANTIQUE (T)
7:
SEARCH AND RESCUE -> HANDLES (A)
8:
STUDY GROUPS -> DUSTY (T)
9:
AXEHEADS -> HEXAGON (N)
10:
TOWNSFOLK -> SNOOT (O)
J:
RESOLUTIONS -> LOSER (O)
Q:
ALTERNATIVE -> INTERVAL (N)
The Solution:
WE PART AT NOON