Dyw ffôn symudol David ddim yn stopio canu, ond nid galwadau arferol yw'r rhain. Mae hi'n edrych yn debyg fod David yn gallu cysylltu â'r nefoedd ... neu uffern. Mae gan Isabel deimlad ofnadwy fod y bath Fictoraidd, y mae ei rhieni wedi ei osod, yn disgwyl amdani. Ond a fydd y dŵr yn glir neu'n goch? -- Cyngor Llyfrau Cymru
Anthony Horowitz
Anthony Horowitz is a British author known for his works in the mystery and thriller genres. He is best known for his series of teenage spy novels featuring Alex Rider, which has been adapted into a successful film and TV series. Horowitz is also the author of the popular Sherlock Holmes novels, "The House of Silk" and "Moriarty." His writing style is characterized by fast-paced action, intricate plots, and well-developed characters. Horowitz has made significant contributions to literature by creating engaging and suspenseful stories that appeal to readers of all ages. His impact on the mystery and thriller genre is undeniable, with his works being praised for their originality and gripping storytelling.