Half vampire, half fairy, totally unique! Isadora Moon is special because she is different. Her mum is a fairy and her dad is a vampire and Isadora is a bit of both. Isadora loves going to human birthday parties, and now is going to have one of her own! But with her mum and dad organizing things, it's not going to be like the parties she's been to before...

Hanner fampir, hanner tylwythen deg, cwbl unigryw! Mae Annalisa Swyn yn arbennig am ei bod yn wahanol. Tylwythen deg yw ei mam a fampir yw ei thad, ac mae Annalisa'n gyfuniad o'r ddau. Mae hi wrth ei bodd â phartïon pen-blwydd y plant eraill, a nawr mae hi'n cael parti! Ond gan mai ei mam a'i thad sy'n ei drefnu, fydd e'n ddim byd tebyg i'r partïon mae hi wedi bod iddyn nhw hyd yn hyn...