Spock's world. Imzadi, Corona. Diane Duane's Romulan book series Beginning with My enemy My ally,The Myriad Universe books .Strange new worlds books.Strangers From the Sky,The Final Frontier and Best Destiny by Diane Carey.The wounded sky.Ilike alot of the older Tos sand ds9 books too many to mention here.Ds9 Emmissary by J.M Dillard.Vonda Mcintires Wrath of khan and Search Spock Movie novelsAlso The Voyage Home.I Also reread The Mirror Universe books last summer.I just re-read Immortal Coil and Abyss.