Tiermann's World: a planet covered in wintry woods and roamed by sabre-toothed tigers and other savage beasts. The Doctor is here to warn Professor Tiermann, his wife and their son that a terrible danger is on its way. The Tiermanns live in luxury, in a fantastic, futuristic, fully-automated Dreamhome, under an impenetrable force shield. But that won't protect them from the Voracious Craw. A gigantic and extremely hungry alien creature is heading remorselessly towards their home.
Four years ago Charles Moray had been jilted at the altar by Margaret Langton. Four years later he returns to London to find his ex-fiancee mixed up in a vicious plot involving kidnap and worse.
A chance encounter restores Giles Armitage to his fiancee, but the shipwreck has left him with amnesia, and their happiness is threatened by Carola Roland. So when Carola is murdered, Giles is the chief suspect and it takes all Miss Silver's ingenuity to unravel the real significance of the crime.
Traveling to war-torn London to collect her inheritance, Laura Fane falls in love with a wounded RAF pilot and incites the jealousy of a wicked cousin, and when the pilot is murdered, Laura turns to Miss Silver for help.
