Ella Drake writes an interesting science fiction romance called “Silver Bound.” Devoted to protecting his world, Sheriff Guy Trident sets out on a risky quest to save Jewel Quinn. The former love of his life, Jewel, is now in the hands of slave traders. She has had a procedure known as “silver-tipping,” which has erased her memories and forced her to submit to her master’s wishes. Their common past reappears, and they struggle with the possibility of a future together as they look for a cure and organize their son’s rescue. The first volume of the Silver Bound series has 199 pages of this engrossing story.