In a new novel, a North Hall High School science teacher goes “thousands of years into the future” to tell a story that includes giants, gnomes, clones and unicorns, but also teaches many of the lessons of a high school biology course. “The book is as educational as it is compelling,” said Brett Farkas, author of “Biopolis,” which is published by Amazon. “It touches on every (high school biology) unit from DNA structure to the electron transport chain with scientific diagrams throughout the novel.