His boundless curiosity had never wavered, not once in the last eight years. But she hadn't seen anything like hope shining in his green eyes for a very, very long time.

Mark discovers Elizabeth's secret talent and their true emotions for each other are later revealed. A fluffy, romantic one-shot story.

On assignment from the Foundation, Mark rescues a little girl who happens to be a creature of lore – a Selkie in human form. She is desperate to be reunited with her mother, who is stuck as a main attraction at the Sea Park. Mark and Elizabeth want to help them, but it's soon evident that the nefarious Mr. Schubert has other plans.

Reflections on the taste and sound of the sea. One shots: A Taste Like Salt; A Sound Like The Sea.

Mark rescues a young woman who is from the world he had forgotten and Mr. Schubert is now after two uniquely different Water Breathers. Mark must stop him before the secrets of Atlantis are exploited, and at Elizabeth's urging, he must decide his future.

Mark Harris was an enigma; a puzzle; a complete mystery. And like all good scientists, Dr Elizabeth Merrill was a sucker for a good mystery.