Gryffindor Quiz No.4

This was great fun, I love cryptograms... "E FM YJA DBFU," QFET KFXXG EY F VJD RJESB, WHXG YJD PHMPEYN AKXJHNK KEM QJ AKFA KB AKJHNKA KB MENKA FAAFSU QYFPB EY F MJMBYA. "AKBY PXJRB EA! MFQABX GJHXQBVW!" QPFA QNAPE. "I AM NOT WEAK," SAID HARRY IN A LOW VOICE, FURY NOW PUMPING THROUGH HIM SO THAT HE THOUGHT HE MIGHT ATTACK SNAPE IN A MOMENT. "THEN PROVE IT! MASTER YOURSELF!" SPAT SNAPE. And now my little witch and wizard are demanding a bath (little witch has a fizzball with a mermaid hidden in it) - must dash...!!!