Thompson, Kate

Fifteen-year-old Christie and his older stepbrother, Danny, travel to the home and mysterious laboratory of the elder boy's scientist mother, where they learn a shocking truth about the nature of her experiments.

When eleven-year-old Jenny Liddy, in turmoil over learning that she is a changeling, makes a deal with a devil creature, she endangers the human race but her own cleverness, her human and fairy fathers, and the last of Ireland's High Kings help to make things right.

When she comes of age Rilka sets out to capture a beguiler, one of the lightlike spirit creatures with mesmerizing powers that haunt the mountains above her village, and her quest reveals the secret of their origin.

Christy 's souvenir stone from the yeti's cave proves to be fatal for many of the inhabitants of Fourth World, leaving among the survivors a pair of genetically-altered twins whose eventual descendants face an uncertain future in a stone age world of nuclear devastation and disease.

On a cold day in eighteenth-century England, a poor young boy agrees to watch a stranger's horse for a golden guinea and quickly finds himself in a difficult situation when the king's guard appears and wants to use him as bait in their pursuit of a notorious highwayman.