Starcraft 2 Greater Spire Tactics - Version 1.0 Learn about the Greater Spire structure which is morphed from the Zerg Spire itself in StarCraft 2 in this informative eBook. You will also learn about the air unit that is enabled by this structure as well as various strategies relating to the structure and new unit. The information in the eBook is separated into different sections.All of the sections in the eBook are listed as follows:-Introduction-Starcraft 2 Greater Spire Tactics-Recommended ResourcesThe Introduction section introduces the topic of the eBook which is all about the Starcraft 2 Zerg structure called the Greater Spire. The Starcraft 2 Greater Spire Tactics section provides more detailed information about the topic of the eBook and provides additional information about the strategies around this high tech structure.