‘Jaci’s Experiment’ The author of the book is Bianca D’Arc. ‘Jaci’s Experiment’ is the 3rd book in the Resonance Mates series. The story is about of Jaci, an Alvian lab tech who accidentally exposes herself to a gene-altering agent, causing her to experience raw, primitive emotions. The book analyzes their journey as they navigate these newfound emotions and the dangers of Alvian society.