The story of Saavik’s “origin” has been presented many times. DC Comics did a version which didn’t jibe at all with Vonda McIntyre’s established background for the character, and had her going into Pon Farr (didn’t think girl Vulcans did that!). Carolyn Clowes published “The Pandora Principle,” an excellent novel and the only time Pocket Books deigned to deal with Saavik while the original films were still in production.
This story, originally published in Destiny’s Children #1, was written before any of those saw the light of day, and attempts to be faithful to the Vonda McIntyre characterization of Saavik. (I consider Vonda Saavik’s co-creator. After Star Trek VI’s early attempts to make her a traitor, I think it’s clear Vonda understood the character better than some of the producers and writers did.)