In Spidersilk the novel, the multi-verse plays a huge role in the book. Without it, there would be no traveling from dimension to dimension and thus, no real story to tell. In our world, the multi-verse is a theory that many scientist support as real. The entire existence of the universe, according to many scientist, seems to only be plausible due to a multi-verse possibility. This article has some pretty exciting information that may make Spidersilk even more exciting for you!
Check it out here: http://news.nationalgeographic.com/news/2014/03/140318-multiverse-inflation-big-bang-science-space/