Bag o' Zyps (continued)

If you successfully solved the first three Zyptograms in this package (next post, below), you're ready to move on to the elimination round. Zyp 4 is rated "difficult," and Zyp 5 is what Cryptopop calls a "stumper."

4. COXM CODJVOZJNG EOVCM EZLJGNV CODJG COXLCJ.

5. TRJQ OXRPJT OSXRPB QRPOS TQRPORB.

Looking for a black cat

HR KS UL DA KS CB DH BD GM SF MK VM QR DU KM
BI DB GN DM FA NG AV FD NG MA KS TG HZ SU UE
RL NG NK SO BF AB RB SB PY CN HR DC GQ QR GO
NZ
Hint: This is a Playfair cipher containing the phrase "looking for a black cat."

Antoine de Saint-Exupéry once said

QJI SRMBZE ESCR QXFBHPQ OFS ZEPG TFO GSOXG ESK GEPGTES DSXXGD EMSS FB ZFFSZE BH HQK ZEPGYE BHWHBZ FM STW CRETB E PGTEGBDP EPGYESXSZ KJ ST E PGGZFXGHHQYYG ZHQE ISJ E PGHGB

This is a not-so-simple simple substitution cipher. Punctuation and original spaces have been removed, and arbitrary spaces have been inserted. It has been translated into English from French. The cipher alphabet has been mixed using the English title of the speaker's first book.