L had already been guessed, and koxka got the puzzle correctly!:

The answer:
*****

In order to really enjoy a dog, one doesn't try to train him to be semi-human.
The point is to open oneself to the possibility of becoming partly a dog.

Edward Hoagland
*****

Final totals:
jenn_librarian: N(11) O(18) P(4) L(6)= 57
Uabassoon: A(9) U(1)=20
k9krazee: E(14)=28
Crazy-Cat-Lover: T(13)=13
DJFyrewolf36:C(1) G(4)=5
Taz_Zoee: H(5)=5
Maltese_Love: S(6)=6
catnapper: I(10)=20
captain: D(7)=7
Catty1: R(7)=7
Randi: M(4)=4
Koxka: W(1)=1
Whisk_Luva Y(5)=10

Available letters:

BCFJKQVXZ