First we have some light entertainment...
To use after a private mailbox:
1. averages doubly halved (4)
2. overlapping a little bit simpler (6)
3. 1000 b.c. arrival scheduled before icy James chilled and finished with top marks (9)
4. singular prof's helpers owe follower Mr. Lange -- split up over bond startups (7)
5. a framer's guide leads a strong pair to launch (5)
6. those who strike the sickly after reversed alien divided about the eighth (3,7)
7. before merging into ocean are perceivers also within between fuzzy fruit states a timely variable ends (4,7)
8. acidity begins and ends around the experience of that guy there (5)
9. probability of blind life necessity = an early selection of flipped epsilon (8)
10. after Family's first comes Exxon's roaring child and an iron winged switch up (5,2,4)
11. the fifth plus five and one simply calculated with ease, see? having then cleared all work, done... (11)
12. broken jaw point between the ninth and inapplicable, twisted, endless isles (4,4,5)
Followed by a little refreshment....
Jocsnyv S wkp qo, pom vmsuu meyo mn wp rnej: km mao odj nf mao fsevm usov mao wkx fne mao masej.
And then on to the main festivities....
I've you've found gotten out used my to it all
name, now, and so i cannot so quit, have the
booze and played the chow, just cant live through without
my it. I know i should game. try and be
Not more just astute, but when the i see a
nice menu, once i just can't give a but hoot.
twice My checks and my plastic regarded, could sure use
look a back break, but i just cant through resist
the best all wine with my steak. My of puzzles
you've solved, through the mirrors and the smoke, now tell
words me you've my vice, before discarded. I'm flat broke.
There are four separate puzzles/riddles, and it will be easiest to solve them in order from top to bottom, but you may try to tackle whichever you like in whatever order (wouldn't be a good party if you couldn't do what you like right?) Hopefully this one lasts at least half as long as it took me to put it together, and also hopefully it will be as much fun as it seemed on paper. Either way, let me shut up and get out of your way!
Enjoy yourselves...