Head Librarian Tabs is out here making Puzzles every now and then. Really quite erratic behavior. If you solve any, CONGRATULATIONS!! I'd say you're entered in a raffle for $5 but I'm not sure how to do that logistically over the internet. Needless, let her know and maybe she'll draw something for you, she fancies herself a capable artist.
To correctly answer the puzzle tell Tabs the KEYWORD used for this ciphertext.
BSCWARS KI FMS JWUJBTY RNQKCAS TFLGR! KV UDJ HYY XFFXYEY TIYQ QSEXUSU CCNWOIS AK GTCQSQV ZUHHZIZ, MCILAW, OEX RFBKUED CE NTJ SRMFJFE MQFPFUDI. CLL AKTZWUFZ YIGWG RLQ KFFG ZNBV NA XWO, VGY HYYDJ’G LMGFZCS ETAVIZJ WE BQWS LHFNZ KBQD YZWW ZG FOF TT KBQ XOT. QQ ZGLUXQM YUHJ GFGQYVZHS TB KBQ YJ RHP BS YUHJ OCF FMSJY SFAVM MWCLHP YCF. CR DCL QMSH KI FFYV IGY O SIAP XLMF QSK NTJ VVUP QWSLMWWRH AW OTNUAS JBUKHYIXISI EZTK. NBMY’G PIGW BRGQ GM KBQ BOP? HUHS KI YJSK SAZ! -HYY EUWVF
Don't know much about ciphers? Here are a few common ones (and yes, it is one of them on the list for Classical)